{"title":"10440 Batteries","description":"\u003cdetails\u003e\n  \u003csummary style=\"font-weight: bold; cursor: pointer; color: #00917A; font-size: 18px; margin-bottom: 10px;\"\u003e\n    📖 Click to view full specifications, comparison \u0026amp; safety guide\n  \u003c\/summary\u003e\n  \u003cdiv style=\"margin-top: 10px; line-height: 1.6;\"\u003e\n    \u003ch2\u003e10440 Batteries – AAA-Sized Cylindrical Li-ion Cells, The High-Energy Rechargeable Upgrade\u003c\/h2\u003e\n    \u003cp\u003eWelcome to our \u003cstrong\u003e10440 Batteries\u003c\/strong\u003e collection. The 10440 lithium-ion cell (approx. 10mm diameter × 44mm length) is the rechargeable Li-ion version of the standard \u003cstrong\u003eAAA battery\u003c\/strong\u003e form factor. Sharing identical dimensions with AAA cells, it delivers a \u003cstrong\u003e3.7V nominal voltage\u003c\/strong\u003e (roughly 3× that of NiMH AAA) and usable capacities from \u003cstrong\u003e200mAh to 400mAh\u003c\/strong\u003e—making it the ideal choice for replacing disposable alkalines and upgrading legacy AAA-powered devices. This collection features both NMC (ternary lithium) and LiFePO₄ (lithium iron phosphate) chemistries, serving a wide range of applications including \u003cstrong\u003ehigh-performance flashlights, headlamps, wireless mice, remote controls, digital cameras, electric toys, medical devices, and various portable electronics\u003c\/strong\u003e.\u003c\/p\u003e\n    \n    \u003ch3\u003eCore Advantages of 10440 Batteries\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eStandard AAA Size – Perfect Compatibility:\u003c\/strong\u003e Approximately 10mm diameter × 44mm length—identical to standard AAA batteries. Direct drop-in replacement for most AAA-powered devices.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHigh Voltage Platform:\u003c\/strong\u003e NMC versions deliver a nominal \u003cstrong\u003e3.7V\u003c\/strong\u003e (full charge 4.2V)—approximately 3× the voltage of NiMH AAA (1.2V)—providing more power and brighter illumination.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eRechargeable – Economical \u0026amp; Eco-Friendly:\u003c\/strong\u003e Supports \u003cstrong\u003e500–1,000+ charge\/discharge cycles\u003c\/strong\u003e. Replaces disposable alkalines for lower long-term cost and reduced battery waste.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFlexible Chemistry Options:\u003c\/strong\u003e Available in both high-energy NMC (3.7V) and inherently safe LiFePO₄ (3.2V) formulations to meet diverse voltage and safety requirements.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eLow Self-Discharge:\u003c\/strong\u003e Monthly self-discharge as low as 3% ensures readiness even after extended storage—ideal for intermittently used devices.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e Weighing only \u003cstrong\u003e8g–10g\u003c\/strong\u003e per cell—lighter than NiMH AAA—perfect for weight-sensitive portable devices.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3\u003e10440 vs. AAA (Alkaline\/NiMH) vs. 10370 – Key Comparison\u003c\/h3\u003e\n    \u003ctable style=\"border-collapse: collapse; width: 100%; border: 1px solid #e0e0e0; margin-bottom: 20px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eParameter\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003e10440 (Li-ion)\u003c\/strong\u003e\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eAAA Alkaline\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eAAA NiMH\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e10370\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e3.2V (LiFePO₄) \/ 3.7V (NMC)\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e1.5V\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e1.2V\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e3.2V \/ 3.7V\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eFull Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e3.65V \/ 4.2V\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e~1.6V\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e~1.4V\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e3.65V \/ 4.2V\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eTypical Capacity\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e200mAh – 400mAh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e1000mAh – 1200mAh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e600mAh – 1000mAh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e100mAh – 450mAh\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eEnergy (Wh)\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e0.7Wh – 1.5Wh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e1.5Wh – 1.8Wh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e0.7Wh – 1.2Wh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e0.3Wh – 1.7Wh\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eRechargeable\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e✅ Yes\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e❌ No\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e✅ Yes\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e✅ Yes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e~8g–10g\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e~11g\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e~12g–14g\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e~7g–10g\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eKey Strengths\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eHigh voltage, lightweight, rechargeable\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eVery low cost, high capacity\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLow cost, widely compatible\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eShorter than 10440, fits tighter spaces\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eHigh-power flashlights, digital devices, remotes\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLow-power daily devices\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLow-power daily devices\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eMicro devices, vapes\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003ch3\u003ePopular 10440 Cell Models – Quick Reference\u003c\/h3\u003e\n    \u003ctable style=\"border-collapse: collapse; width: 100%; border: 1px solid #e0e0e0; margin-bottom: 20px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eModel\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eBrand\/Source\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eChemistry\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eNominal Capacity\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eContinuous Discharge\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eDimensions (approx.)\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003ePositioning\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eICR10440 350mAh\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eGeneric\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLiCoO₂\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e350mAh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e0.5A–1A\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e10×44mm\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eHigh-capacity LiCoO₂; top choice for consumer electronics\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eINR10440 300mAh\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eGeneric\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eNMC\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e300mAh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e1A–2A\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e10×44mm\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eBalanced; capacity and discharge capability\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eIFR10440 200mAh\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eGeneric\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLiFePO₄\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e200mAh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e0.5A\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e10×44mm\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLiFePO₄; high safety \/ long cycle life\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eVapcell INR10440 350mAh\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eVapcell\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eNMC\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e350mAh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e1A\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e10×44mm\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eHigh-performance NMC; preferred for bright flashlights\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eEfest IMR10440 350mAh\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eEfest\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eIMR\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e350mAh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e1.5A\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e10×44mm\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eHigh-drain; flashlights \u0026amp; vape compatible\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eProtected 10440\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eCustom\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eNMC + PCB\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e300–350mAh\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e0.5A–1A\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e10×45–46mm\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eProtected; consumer safety first choice\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003ch3\u003eTypical Specifications Range (10440)\u003c\/h3\u003e\n    \u003ctable style=\"border-collapse: collapse; width: 100%; border: 1px solid #e0e0e0; margin-bottom: 20px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eParameter\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eTypical Range\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e3.2V (LiFePO₄) \/ 3.6V–3.7V (NMC)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eFull Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e3.65V (LiFePO₄) \/ 4.2V (NMC)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eCapacity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e200mAh – 400mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eContinuous Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e0.5A – 2A (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eInternal Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e50mΩ – 150mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e500 – 1500+ cycles (chemistry dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eCharge: 0°C~45°C \/ Discharge: -20°C~60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eDiameter 10.0mm–10.5mm × Length 44.0mm–46.0mm (protected slightly longer)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eApprox. 8g – 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003ch3\u003eTypical Applications\u003c\/h3\u003e\n    \u003ctable style=\"border-collapse: collapse; width: 100%; border: 1px solid #e0e0e0; margin-bottom: 20px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eApplication\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eRecommended Type\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eSuggested Models\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eHigh-performance flashlights \/ EDC lights\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eNMC \/ IMR High-Drain\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eVapcell 350mAh, Efest IMR10440\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eHeadlamps \/ bike lights\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eProtected 10440 \/ NMC\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eProtected 10440, ICR10440 350mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eWireless mice \/ keyboards \/ remotes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eNMC Balanced\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eICR10440 350mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eDigital cameras \/ flash units\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eNMC High-Capacity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eVapcell 350mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eElectric toys \/ models\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eNMC High-Drain\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eEfest IMR10440\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eMedical devices \/ portable instruments\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLiFePO₄ \/ Protected\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eIFR10440 200mAh, Protected 10440\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eSolar storage \/ emergency lighting\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLiFePO₄\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eIFR10440 200mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eSmart home sensors\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLiFePO₄\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eIFR10440 200mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003ch3\u003eHow to Choose the Right 10440 Battery?\u003c\/h3\u003e\n    \u003ctable style=\"border-collapse: collapse; width: 100%; border: 1px solid #e0e0e0; margin-bottom: 20px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eYour Requirement\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eRecommended Type\u003c\/th\u003e\n          \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eSuggested Model\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eI need maximum capacity for flashlights or digital devices\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eNMC High-Capacity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eVapcell 350mAh, ICR10440 350mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eI want built-in protection for worry-free use\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eProtected 10440\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eVarious protected 10440 models\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eSafety is critical; for medical or emergency applications\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eLiFePO₄\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eIFR10440 200mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eI need bulk quantities or custom packs\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003eContact our sales team\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; vertical-align: middle;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003ch3\u003e⚠️ 10440 Battery Safety Guidelines\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eVoltage Platform Awareness:\u003c\/strong\u003e 3.2V LiFePO₄ and 3.7V NMC cells \u003cstrong\u003ecannot be mixed or charged with the same charger\u003c\/strong\u003e. Always verify device and charger compatibility.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eNot a Universal AAA Replacement:\u003c\/strong\u003e 10440 voltage (3.7V) is significantly higher than standard 1.5V AAA cells. \u003cstrong\u003eConnecting two 10440s in series for a 3V device may damage or destroy the device.\u003c\/strong\u003e Always confirm your device supports 3.7V Li-ion before use.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUse a Dedicated Li-ion Charger:\u003c\/strong\u003e 10440 cells require a \u003cstrong\u003eLi-ion-specific charger\u003c\/strong\u003e. Do not use NiMH\/NiCd chargers. Some multi-bay chargers may have minimum charging currents too high for 10440; select a charger with 10440 compatibility.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAvoid Over-Discharge:\u003c\/strong\u003e Stop discharging when voltage drops below 2.5V–2.8V (NMC) or 2.0V–2.5V (LiFePO₄). Recharge promptly to prevent permanent capacity loss.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAvoid Short Circuits \u0026amp; Overheating:\u003c\/strong\u003e Do not short the terminals. Keep away from heat, moisture, and metal objects.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDiscontinue if Damaged:\u003c\/strong\u003e Stop using cells with torn wraps, dents, or leakage. Recycle responsibly.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3\u003eWhy Choose Our 10440 Batteries?\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eGenuine Grade-A Cells:\u003c\/strong\u003e Sourced from Vapcell, Efest, and other reputable manufacturers. 100% authentic—no recycled or counterfeit cells.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFully Tested \u0026amp; Matched:\u003c\/strong\u003e Every batch undergoes capacity grading, IR testing, and voltage sorting. Industrial-grade matching services available.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eComplete Portfolio:\u003c\/strong\u003e Covers NMC high-capacity, high-drain, protected, and LiFePO₄ series—one-stop for all AAA-sized Li-ion needs.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFlexible Purchasing:\u003c\/strong\u003e Single-cell retail, multi-pack discounts, tiered bulk pricing, and custom pack assembly.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCertified \u0026amp; Documented:\u003c\/strong\u003e UN38.3, MSDS, CE, RoHS documentation provided for seamless international shipping.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eExpert Technical Support:\u003c\/strong\u003e Guidance on cell selection, pack design, BMS integration, and after-sales service.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003e👇👇👇 Browse the product list below and filter by capacity or chemistry to find the perfect \u003cstrong\u003e10440\u003c\/strong\u003e cell for your application. For volume quotes or custom pack solutions, please contact our engineering team.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e","products":[{"product_id":"delipow-2-pack-icr10440-li-ion-rechargeable-batteries-320mah-3-7v-triple-a-battery-for-flashlights-laser-pointers-headlamps-medical-tools-security-gadgets-and-compact-devices","title":"Delipow 10440 3.7V 320mAh Li-ion Rechargeable Battery – Flat Top, Low Internal Resistance \u0026 1500 Cycles for Mini Flashlights (2-Pack)","description":"\u003ch3 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eDelipow 10440 3.7V 320mAh Li-ion rechargeable battery is specially engineered for mini flashlights and other compact high-voltage electronic devices. Despite its tiny size (identical to AAA), this battery packs 3.7V of high-discharge power, low internal resistance, and a massive 1500-cycle lifespan. It is the ideal power solution for your specific specialty battery compartments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003e\u003cstrong\u003eDesigned for Mini Flashlights:\u003c\/strong\u003e The 10440 format (10mm x 44mm) is engineered specifically for compact EDC flashlights and specialized precision devices.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003e\u003cstrong\u003eHigh Voltage 3.7V Output:\u003c\/strong\u003e Delivers strong, consistent 3.7V power with low internal resistance, ensuring your mini flashlights shine bright and perform at their best.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003e\u003cstrong\u003e1500 Ultra-Long Charge Cycles:\u003c\/strong\u003e Supports up to 1500 recharge cycles, far exceeding standard lithium batteries. One battery replaces hundreds of disposable cells, saving money and reducing waste.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003e\u003cstrong\u003eLow Self-Discharge Technology:\u003c\/strong\u003e Maintains power over long periods of storage, so your batteries are ready to use whenever you need them.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003e\u003cstrong\u003eFlat Top Design:\u003c\/strong\u003e Features a standard flat top. (Please confirm your device requires a flat top or button top battery before purchasing.)\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003e\u003cstrong\u003eLow Resistance \u0026amp; High Discharge:\u003c\/strong\u003e Features high discharge performance and low resistance, ensuring efficient energy delivery without power loss.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003e\u003cstrong\u003eQuality Assurance \u0026amp; Safe Materials:\u003c\/strong\u003e Manufactured with mercury-free and cadmium-free materials, adhering to GB31241-2022 national safety standards for environmentally friendly and reliable daily use.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003e\u003cstrong\u003eNo Memory Effect:\u003c\/strong\u003e Allows for convenient recharging at any time without reducing overall battery capacity or lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eBrand: Delipow\u003c\/span\u003e\u003cspan class=\"\"\u003eModel: 10440 Rechargeable Li-ion Battery\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eCapacity: 320mAh\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eNominal Voltage: 3.7V\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eTop Type: Flat Top\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eDischarge Rate: 3C\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eNet Weight: 9g\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eCycle Life: Up to 1500 times\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eCompliance Standard: GB31241-2022\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eDimensions: 10mm (Diameter) x 44mm (Height)\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003ePack Quantity: 2-Pack\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eMini Tactical Flashlights: The ideal power source for small, high-lumen EDC flashlights and keychain lights.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eSpecialized Laser Pointers \u0026amp; Aimers: Provides stable 3.7V voltage for compact laser aiming devices and pointers.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003ePrecision Remote Control Transmitters: Powers small transmitters and handheld controllers for hobbyist devices.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003ePortable Medical Devices: Suitable for compact digital blood pressure monitors and other specific portable medical instruments.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eSmall Sensor \u0026amp; Alarm Systems: Reliable backup power for miniaturized security sensors and alarm transmitters.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ1: Can I use this 10440 battery as a replacement for a standard AAA battery?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: NO. Please exercise extreme caution! While the 10440 shares the exact same physical dimensions as a standard AAA (10mm x 44mm), it operates at 3.7V. Using a 3.7V battery in a device designed for 1.2V or 1.5V (like a standard remote control or clock) will instantly damage or destroy the device. It is only compatible with devices explicitly specified for 10440 or 3.7V power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ2: What is the difference between Flat Top and Button Top?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: A Flat Top battery has a flat positive terminal, while a Button Top has a protruding nub. Please check your device's battery compartment carefully. If your device specifically requires a protruding positive contact, you need a Button Top version; this product is Flat Top.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ3: How long does it take to fully charge a 320mAh battery?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: Charging time depends on your specific Li-ion charger. Using a standard dedicated 10440\/3.7V charger, it typically takes approximately 1 to 2 hours.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ4: Is it safe to use this battery in my expensive mini flashlight?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: Absolutely. These batteries are manufactured with strict quality control and meet the GB31241-2022 national safety standard. They are mercury-free and cadmium-free, ensuring safe and reliable use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ5: What kind of charger should I use for this battery?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: You must use a charger specifically designed to charge 3.7V lithium-ion batteries (such as a 10440 or 14500 charger). Do not attempt to charge it in a standard AA\/AAA Ni-MH charger, as it will not cut off at the correct voltage and is extremely dangerous.\u003c\/span\u003e\u003c\/p\u003e","brand":"DELIPOW","offers":[{"title":"Default Title","offer_id":51454188880118,"sku":"OAS762","price":5.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/delipow-2pack-icr10440-320mah-3.7v-li-ion-rechargeable-batteries-main_107463a0-a655-4b50-880d-e02df346beb9.webp?v=1786966910"},{"product_id":"delipow-2-pack-10440-rechargeable-battery-10440-li-ion-rechargeable-batteries-3-7v-320mah-for-led-flashlight-torch-2-pack","title":"Delipow 10440 3.7V 320mAh Li-ion Rechargeable Battery – Button Top, Low Internal Resistance \u0026 1500 Cycles for Mini Flashlights \u0026 Precision Devices (2-Pack)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eDelipow 10440 3.7V 320mAh Li-ion rechargeable battery is specially engineered for mini flashlights and other compact high-voltage electronic devices. Despite its tiny size (identical to AAA), this battery packs 3.7V of high-discharge power, low internal resistance, and a massive 1500-cycle lifespan. Featuring a button top design, it ensures reliable contact with the internal terminals of your specialty devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDesigned for Mini Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The 10440 format (10mm x 44mm) is engineered specifically for compact EDC flashlights and specialized precision devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eButton Top Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Features a protruding button top terminal to ensure secure, reliable contact with the device's internal connection points. (Please confirm your device requires a button top before purchasing.)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh Voltage 3.7V Output:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers strong, consistent 3.7V power with low internal resistance, ensuring your mini flashlights shine bright and perform at their best.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1500 Ultra-Long Charge Cycles:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Supports up to 1500 recharge cycles, far exceeding standard lithium batteries. One battery replaces hundreds of disposable cells, saving money and reducing waste.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLow Self-Discharge Technology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Maintains power over long periods of storage, so your batteries are ready to use whenever you need them.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLow Resistance \u0026amp; High Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Features high discharge performance and low resistance, ensuring efficient energy delivery without power loss.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQuality Assurance \u0026amp; Safe Materials:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Manufactured with mercury-free and cadmium-free materials, adhering to GB31241-2022 national safety standards for environmentally friendly and reliable daily use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo Memory Effect:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Allows for convenient recharging at any time without reducing overall battery capacity or lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eBrand: Delipow\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eModel: 10440 Rechargeable Li-ion Battery\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eCapacity: 320mAh\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eNominal Voltage: 3.7V\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eTop Type: Button Top \u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eDischarge Rate: 3C\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eNet Weight: 9g\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eCycle Life: Up to 1500 times\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eCompliance Standard: GB31241-2022\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eDimensions: 10mm (Diameter) x 44mm (Height)\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003ePack Quantity: 2-Pack\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eMini Tactical Flashlights: The ideal power source for small, high-lumen EDC flashlights and keychain lights that require a button top battery.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eSpecialized Laser Pointers \u0026amp; Aimers: Provides stable 3.7V voltage for compact laser aiming devices and pointers.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003ePrecision Remote Control Transmitters: Powers small transmitters and handheld controllers for hobbyist devices.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003ePortable Medical Devices: Suitable for compact digital blood pressure monitors and other specific portable medical instruments.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eSmall Sensor \u0026amp; Alarm Systems: Reliable backup power for miniaturized security sensors and alarm transmitters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ1: Can I use this 10440 battery as a replacement for a standard AAA battery?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: NO. Please exercise extreme caution! While the 10440 shares the exact same physical dimensions as a standard AAA (10mm x 44mm), it operates at 3.7V. Using a 3.7V battery in a device designed for 1.2V or 1.5V (like a standard remote control or clock) will instantly damage or destroy the device. It is only compatible with devices explicitly specified for 10440 or 3.7V power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ2: What is the difference between this Button Top and a Flat Top?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: A Button Top battery has a protruding nub on the positive terminal, while a Flat Top battery has a flat positive terminal. This button top design provides a secure physical connection to devices that require a raised contact point. If your device needs a flat contact, please choose the Flat Top version.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ3: How long does it take to fully charge a 320mAh battery?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: Charging time depends on your specific Li-ion charger. Using a standard dedicated 10440\/3.7V charger, it typically takes approximately 1 to 2 hours.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ4: Is it safe to use this battery in my expensive mini flashlight?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: Absolutely. These batteries are manufactured with strict quality control and meet the GB31241-2022 national safety standard. They are mercury-free and cadmium-free, ensuring safe and reliable use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cspan class=\"\"\u003eQ5: What kind of charger should I use for this battery?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: You must use a charger specifically designed to charge 3.7V lithium-ion batteries (such as a 10440 or 14500 charger). Do not attempt to charge it in a standard AA\/AAA Ni-MH charger, as it will not cut off at the correct voltage and is extremely dangerous.\u003c\/span\u003e\u003c\/p\u003e","brand":"DELIPOW","offers":[{"title":"Default Title","offer_id":51454188945654,"sku":"OAS763","price":5.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/delipow-2pack-10440-320mah-3.7v-li-ion-led-flashlight-batteries-mai_51937c89-68b1-4f18-ae3b-525766a53663.webp?v=1786966910"},{"product_id":"vapcell-10440-battery-320mah-3-7v-inr-3a-high-drain-flat-or-button-top-4-pack","title":"4-Pack Vapcell 10440 320mAh 3.7V 3A CDR Flat\/Button Top Battery – AAA-Sized High Drain for Mini Flashlights, Laser Pointers \u0026 Micro Tools","description":"\u003ch4\u003e\u003cspan class=\"\"\u003eDescription\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eUnlock full power in your smallest devices with the Vapcell 10440 320mAh high-drain cell. This 4-pack delivers a true 3A continuous discharge at 3.7V, making it the go-to choice for keychain flashlights, high-power laser pointers, micro vaping pods, and precision mini tools. Available in flat top or button top options to match your device. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCritical Warning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a 3.7V lithium-ion cell—physically identical in size to a standard AAA battery but operating at more than double the voltage. Never use it in devices designed only for 1.5V AAA batteries, as it will permanently damage the equipment. With Vapcell's trusted quality, this 4-pack provides explosive power in the most compact AAA-sized form factor.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3A Continuous Discharge (CDR)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Exceptional current output for a 10440 cell.\u003c\/span\u003e\u003cspan class=\"\"\u003e Handles high-power LED turbo modes, laser diode pulses, and micro motor start-ups without dangerous voltage sag. Far outperforms standard 2A or unprotected low-drain 10440 cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e320mAh Solid Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Among the highest capacity available in the 10440 form factor.\u003c\/span\u003e\u003cspan class=\"\"\u003e Provides usable runtime in a tiny package, with approximately 20% more endurance than 200mAh–250mAh alternatives.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top \u0026amp; Button Top Options\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Choose flat top for devices with spring-loaded contacts or button top for devices requiring a raised positive terminal for proper electrical connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUltra-Compact AAA-Sized Form Factor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Same physical dimensions as a standard AAA battery (10mm x 44mm).\u003c\/span\u003e\u003cspan class=\"\"\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMust only be used in devices explicitly designed for 3.7V 10440 lithium-ion cells.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLow Internal Resistance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Minimizes heat generation and voltage drop under load, ensuring maximum power reaches your device.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4-Pack Convenience\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Perfect for powering a set of keychain flashlights, keeping spares for your laser pointer, or equipping multiple micro tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h4\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eVapcell 10440 320mAh 3A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eForm Factor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e10440 (AAA-sized)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eChemistry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eINR (Lithium Nickel Manganese Cobalt, standard 3.6V\/3.7V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTypical Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e320 mAh (0.2C discharge to 2.5V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMinimum Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e~300 mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3.6 V (typical operating 3.7 V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge (CDR)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003e3 A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (cell temperature ≤ 75°C)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Pulse Discharge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eUp to 5 A (short burst, monitor temperature; not for continuous use)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2.5 V (do not over-discharge)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eStandard Charge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCC-CV, 0.5C (160 mA) to 4.2 V, cut-off 50 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Charge Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e1C (320 mA); 0.5C recommended for best longevity\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eInternal Resistance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e≤ 80 mΩ (AC 1 kHz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCycle Life\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e≥ 300 cycles (to 80% capacity, 0.5C charge \/ 1C discharge)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOperating Temperature (Discharge)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e-20°C to 60°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTop Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFlat Top or Button Top (please select)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e10.0 mm diameter × 44.0 mm length (same physical size as AAA)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWeight (single cell)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox.\u003c\/span\u003e\u003c\/td\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e10 g\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePackage Includes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e4 × Vapcell 10440 320mAh cells in protective packaging (selected top type)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRecommended For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKeychain \u0026amp; Mini LED Flashlights (3.7V 10440 Compatible)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Push tiny torches to their absolute limit.\u003c\/span\u003e\u003cspan class=\"\"\u003e The 3A CDR delivers significantly brighter turbo modes, making these perfect for enthusiasts seeking maximum output from ultra-compact lights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Power Laser Pointers \u0026amp; Presentation Tools\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: High-power green or blue laser diodes require substantial current.\u003c\/span\u003e\u003cspan class=\"\"\u003e These cells provide clean, stable power for bright, consistent output.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMicro Vaping Pod Systems (Select Models)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Some ultra-compact pod systems use 10440 cells.\u003c\/span\u003e\u003cspan class=\"\"\u003e The 3A rating provides a safe operating margin.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePrecision Mini Tools \u0026amp; Electric Screwdrivers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Certain micro-precision screwdrivers and engraving pens use 10440 cells and benefit from the high current capability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact Medical \u0026amp; Diagnostic Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Small portable tools that require 3.7V power in a AAA-sized form factor.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNot Recommended For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard 1.5V AAA Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: This is a 3.7V lithium-ion cell—\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eusing it in devices designed only for 1.5V AAA batteries will permanently destroy the electronics.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Always verify your device explicitly supports 3.7V 10440 lithium-ion cells before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLong-Runtime Low-Power Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: With 320mAh capacity, devices like remote controls and basic sensors are better served by higher-capacity NiMH AAA or 14500 cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Drain Applications (\u0026gt;3A Continuous)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: For sustained currents above 3A, use a larger form factor cell such as a high-drain 14500 or 18650.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18650 or 14500 Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: The 10440 format is physically smaller (10mm vs. 14mm\/18mm) and will not make proper contact in larger battery compartments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Is this battery the same size as a regular AAA battery? Can I use it in my standard AAA flashlight?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: Yes, this cell has the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eexact same physical dimensions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e as a standard AAA battery (10mm x 44mm).\u003c\/span\u003e\u003cspan class=\"\"\u003e However, it operates at \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.7V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, which is more than double the voltage of a 1.5V AAA alkaline battery. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eYou must only use this cell in devices explicitly labeled as supporting 3.7V 10400 lithium-ion cells.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Using it in a standard AAA device will likely destroy the electronics instantly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Why is the capacity only 320mAh? Other 10440 cells have even less, but that still seems small.\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: The 10440 form factor is physically tiny—roughly one-third the volume of an 18650. 320mAh is actually among the highest capacities available in this size while still supporting a strong 3A CDR. For applications that need more runtime, consider a 14500 (AA-sized) or 18650 cell if your device supports it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Can I use this battery for vaping?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: Only for specifically designed ultra-compact pod systems that explicitly support 10440 cells. With a 3A CDR at 3.6V nominal, it can safely power builds above approximately 1.2Ω. Most standard vaping devices require larger cells (18650) and higher currents. Always calculate your actual current using Ohm's law and never exceed 3A continuous.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: What is the difference between flat top and button top? Which should I choose?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e cells have a completely flat positive terminal, ideal for devices with spring-loaded contacts.\u003c\/span\u003e\u003cspan class=\"\"\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eButton top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e cells have a raised positive nipple, required by some devices for proper electrical contact or reverse-polarity protection.\u003c\/span\u003e\u003cspan class=\"\"\u003e Check your device's battery compartment or manual for the correct type.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Can I charge this with a standard AAA charger?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo. You must use a lithium-ion charger designed for 3.7V cells.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Standard NiMH or alkaline chargers will not charge this cell correctly and could create a safety hazard. Always use a charger with a CC-CV algorithm and proper voltage cutoff (4.2V).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: How should I store these cells when not in use?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: Store at 3.6–3.7V (approximately 40–50% charge) in a cool, dry place. Use non-conductive battery cases to prevent accidental short circuits. Avoid storing fully charged or deeply discharged for extended periods.\u003c\/span\u003e\u003c\/p\u003e","brand":"Vapcell","offers":[{"title":"Flat Top","offer_id":51454202478838,"sku":"OAS989","price":16.98,"currency_code":"USD","in_stock":true},{"title":"Button Top","offer_id":51454202511606,"sku":"OAS990","price":16.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/vapcell-10440-4pack-1_ce625527-9530-4c64-951b-243852a0eef6.webp?v=1786967691"},{"product_id":"vapcell-p1054a-10440-540mah-usb-c-built-in-charging-button-top-4-pack-no-charger-needed","title":"4-Pack Vapcell P1054A 10440 540mAh 3.7V USB-C Rechargeable Battery Button Top – Built-in Charger for Mini Flashlights \u0026 Laser Pointers","description":"\u003ch4\u003e\u003cspan class=\"\"\u003eDescription\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eNever hunt for a specialty charger again. The Vapcell P1054A is a revolutionary 10440 battery with a built-in USB-C charging port, eliminating the need for any external charger. This 4-pack delivers a massive 540mAh capacity—nearly double that of standard 320mAh 10440 cells—with a stable 3.7V output and integrated overcharge, over-discharge, and short-circuit protection. The button top design ensures solid contact in compatible devices. Simply plug any USB-C cable directly into the battery to recharge from your phone charger, power bank, laptop, or car adapter. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCritical Warnings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a 3.7V lithium-ion cell physically identical in size to a AAA battery—never use it in 1.5V AAA devices. The built-in USB-C port increases overall length to approximately 46–47mm; please verify your device's battery compartment can accommodate this before ordering. With Vapcell's trusted quality and the ultimate charging convenience, the P1054A keeps your mini flashlights, laser pointers, and micro tools ready to go wherever a USB-C cable is available.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBuilt-in USB-C Charging Port\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – No external charger required. Recharge directly from any standard USB-C cable connected to a wall adapter, power bank, laptop, or car charger. The built-in LED indicator glows red while charging and turns green when fully charged. Full charge in approximately 2–3 hours.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e540mAh Maximum 10440 Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – The highest capacity available in the 10440 form factor. Delivers approximately 70% more runtime than standard 320mAh cells. Ideal for devices used frequently where extended runtime matters.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eIntegrated Safety Protection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Built-in circuit guards against overcharge (4.2V cutoff), over-discharge (2.5V cutoff), short circuits, and overcurrent. Safe, worry-free operation for your valuable devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eButton Top Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Features a raised positive terminal for reliable electrical contact in flashlights, laser pointers, and devices requiring a button top for proper connection or reverse-polarity protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUltra-Compact AAA-Sized Form Factor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Same diameter as a standard AAA battery (10mm). \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The built-in USB-C port increases overall length to approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e46–47mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e—about 2–3mm longer than a standard 44mm AAA cell. Please verify your device can accommodate this extra length before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCritical Voltage Warning\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – This is a 3.7V lithium-ion cell. Never use it in devices designed only for 1.5V AAA batteries—it will permanently damage the electronics. Only use in devices explicitly designed for 3.7V 10440 cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4-Pack Convenience\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Perfect for powering multiple mini flashlights, keeping spares for your laser pointer and micro tools, or always having a charged cell ready.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h4\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eVapcell P1054A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eForm Factor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e10440 (AAA-sized) with built-in USB-C charging\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eChemistry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eLithium-Ion (standard 3.6V\/3.7V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTypical Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e540 mAh (0.2C discharge to 2.5V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMinimum Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e~520 mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOutput Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3.7 V nominal (standard lithium-ion)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003e~1–2 A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (limited by built-in protection circuit)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eProtection Functions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOvercharge (4.2V cutoff), Over-discharge (2.5V cutoff), Short Circuit, Overcurrent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eUSB Charging Input\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eUSB-C port, 5V \/ 0.2–0.5A recommended\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCharging Time\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 2–3 hours\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCharging Indicator\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBuilt-in LED (Red = Charging, Green = Fully Charged)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2.5 V (automatic protection cutoff)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCycle Life\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e≥ 400 cycles (to 80% capacity)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOperating Temperature (Discharge)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e-20°C to 60°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCharging Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e0°C to 45°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTop Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eButton Top\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 10.0 mm diameter × 46.5 mm length (~2–3mm longer than standard AAA; verify fit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWeight (single cell)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 12 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePackage Includes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e4 × Vapcell P1054A USB-C rechargeable 10440 button top batteries\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRecommended For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKeychain \u0026amp; Mini LED Flashlights (3.7V 10440 Compatible)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Enjoy significantly brighter output than standard AAA-powered lights, with the convenience of USB-C charging anywhere. The 540mAh capacity provides exceptional runtime for such a tiny cell.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Power Laser Pointers \u0026amp; Presentation Tools\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Clean, stable power for bright laser output. USB-C charging means no need to carry a separate charger when traveling.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePrecision Micro Tools \u0026amp; Electric Screwdrivers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Certain micro-precision tools use 10440 cells and benefit from the convenience of built-in charging.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact Medical \u0026amp; Diagnostic Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Reliable power with integrated protection circuits for sensitive portable equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTravel \u0026amp; Everyday Carry\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Minimize your gear—one USB-C cable charges your phone and your spare batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNot Recommended For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard 1.5V AAA Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: This is a 3.7V lithium-ion cell—\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eusing it in devices designed only for 1.5V AAA batteries will permanently destroy the electronics.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Always verify your device explicitly supports 3.7V 10440 lithium-ion cells before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDevices with Extremely Tight Battery Compartments\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: The built-in USB-C port increases length to approximately 46–47mm. Some devices with rigid battery slots designed only for standard 44mm AAA cells may not close properly. Always measure your device's battery compartment before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Drain Devices (\u0026gt;2A Continuous)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: The built-in protection circuit limits maximum output current. For high-power applications, use unprotected high-drain cells in larger form factors.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard NiMH\/Alkaline AAA Chargers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Never place this battery in a conventional AAA charger. It is charged exclusively through its built-in USB-C port.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: How do I charge this battery? Do I need a special charger?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: No special charger required. Simply connect a standard USB-C cable to the port on the battery and plug the other end into any 5V USB power source—a phone charger, power bank, laptop, or car adapter. The built-in LED glows red during charging and turns green when fully charged. A full charge takes approximately 2–3 hours. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNever place this battery in a conventional AAA charger.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Will this battery fit my device? It says it's AAA-sized.\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: The diameter is identical to a standard AAA battery (10mm). However, the built-in USB-C charging port increases the overall length to approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e46–47mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e—about 2–3mm longer than a standard 44mm AAA cell. Most spring-loaded battery compartments can accommodate this extra length easily. However, devices with rigid, tight-fitting battery slots may have difficulty closing. Please measure your device's battery compartment depth before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Is the 540mAh capacity real? How does it compare to other 10440 cells?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: Yes, 540mAh is the typical capacity under standard test conditions. This is approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e70% more capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e than standard 320mAh 10440 cells, making it the largest capacity available in the 10440 form factor. Combined with USB-C charging convenience, it provides both the longest runtime and the easiest recharging experience in this size category.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Can I use this battery in my standard AAA flashlight?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: No. This is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.7V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e lithium-ion cell. Standard AAA flashlights are designed for 1.5V alkaline or 1.2V NiMH batteries. Using a 3.7V cell will likely destroy the flashlight's LED or driver instantly. Only use this battery in devices explicitly labeled as supporting 3.7V 10440 lithium-ion cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: What is the maximum current this battery can deliver?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: The built-in protection circuit limits the continuous discharge current to approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1–2A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. This is sufficient for most mini flashlights, laser pointers, and micro tools designed for 10440 cells. It is not suitable for high-power applications such as vaping or FET-driven turbo flashlights that require 5A or more.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Can I also charge this battery in a regular 10440 lithium-ion charger?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: Yes. In addition to the built-in USB-C port, the P1054A can also be charged in most standard lithium-ion chargers that accept 10440 cells. However, due to the extra length, ensure your charger's bay can accommodate approximately 47mm. The built-in USB-C charging is the most convenient method.\u003c\/span\u003e\u003c\/p\u003e","brand":"Vapcell","offers":[{"title":"Default Title","offer_id":51454202282230,"sku":"OAS991","price":21.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/vapcell-p1054a-4pack_51eb26d1-d85d-4f87-81fd-9564e62402b6.webp?v=1786967672"},{"product_id":"2-pack-10440-3-2v-220mah-lifepo-e2-82-84-rechargeable-battery-button-top-2000-cycles","title":"HIBATT 10440 3.2V 220mAh LiFePO4 Battery – Button Top, 2000+ Cycles for Solar Lights \u0026 Mini Flashlights (2pcs)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eThe HIBATT 10440 is a premium lithium iron phosphate (LiFePO4) battery engineered for high safety and ultra-long cycle life. This \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs bundle\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e delivers a reliable 220mAh capacity, a stable 3.2V output, and an outstanding \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2000+ cycle lifespan\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. With a physical size nearly identical to a standard AAA battery (10.3mm x 44.8mm), it fits seamlessly into compact devices, but with a 3.2V output—more than double the voltage of a standard AAA.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e Important Safety Warning:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eWhile this battery shares the same physical dimensions as a standard AAA battery, it operates at \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.2V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, NOT 1.2V or 1.5V. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDo NOT use it in devices designed for standard AA\/AAA batteries\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (such as remote controls, clocks, or standard toys), as this will permanently damage your device. It is strictly designed for devices that explicitly support 3.2V or 10440 batteries, such as certain solar lights, mini flashlights, and specialized sensors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHIBATT 10440 Premium LiFePO4 Cell:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-quality 10440 battery from the trusted brand HIBATT.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e220mAh True Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides reliable energy (min. 200mAh) for extended runtimes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2000+ Ultra-Long Cycle Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Advanced LiFePO4 chemistry ensures over 2000 full recharge cycles.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eButton Top Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Features a protruding positive terminal for secure contact in recessed battery compartments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eAdvanced LiFePO4 Safety Chemistry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Superior thermal stability and enhanced protection against overcharging and short circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUltra-Low Self-Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Maintains charge effectively over long periods of storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact 10440 Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Measures approximately 10.3mm (Diameter) x 44.8mm (Height).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLightweight Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Weighs just 8.5g per cell, adding virtually no bulk.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters (Based on Spec Sheet):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e HIBATT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10440\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSize:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10440\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCapacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 220mAh (Min. 200mAh)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.2V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCharging Max Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.65V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2.0V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eChemistry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e LiFePO4 (Lithium Iron Phosphate)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCycle Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2000+ cycles\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTop Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Button Top\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Approx. 8.5g\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Approx. 10.3mm (Diameter) x 44.8mm (Height)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePack Quantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2pcs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSolar Garden Lights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The ideal replacement battery for outdoor solar lights that support 3.2V LiFePO4 cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMini EDC Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powers compact tactical flashlights and keychain lights designed for 10440 batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSpecialized Sensors \u0026amp; Alarm Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Reliable power for specific 3.2V sensors and small security alarms.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePortable Medical Instruments:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Suitable for small diagnostic devices that require a 3.2V power source.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY Electronics:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfect for custom projects that require a small 3.2V LiFePO4 power source.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: Can I use this battery as a replacement for a standard AAA battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNO. Please read the important warning above!\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e While the physical size is similar to an AAA battery, the voltage is \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.2V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, which is more than double the voltage of a standard AAA (1.5V) or Ni-MH (1.2V). Using this battery in a standard AAA device will instantly damage your device. It is ONLY compatible with devices specifically designed for 3.2V or 10440 batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the cycle life of this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: This LiFePO4 battery is designed for over 2000 full recharge cycles, providing exceptional long-term value and significantly reducing replacement costs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What is the advantage of the LiFePO4 chemistry?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: LiFePO4 (Lithium Iron Phosphate) offers superior thermal stability, a much longer cycle life (2000+ cycles vs 300-500 cycles), and enhanced safety compared to standard Li-ion batteries. It is much less prone to overheating or fire.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: What is the difference between this Button Top and a Flat Top?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: This battery features a Button Top (protruding positive terminal) which ensures a secure connection in devices with recessed battery contacts. If your device requires a flat contact, you will need a Flat Top version.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: What kind of charger should I use for this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: You must use a charger specifically designed for 3.2V LiFePO4 batteries with a 3.65V cut-off voltage. Do not use a standard 3.7V\/4.2V Li-ion charger or a standard AAA Ni-MH charger.\u003c\/span\u003e\u003c\/p\u003e","brand":"HIBATT","offers":[{"title":"Default Title","offer_id":51454210998518,"sku":"OAS1110","price":4.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/10440-lifepo4-220mah-button-top-2pack_1b7e96d2-9160-483a-823a-2575ce0ab530.webp?v=1786968102"},{"product_id":"10440-350mah-3-7v-li-ion-cell-flat-or-button-top-for-flashlights-toys-diy-projects","title":"ICR10440 3.7V 350mAh Li-ion Battery – 10x44\/46mm Mini Power Cell for Mini Flashlights \u0026 EDC Gear (Flat\/Button Top, 2pcs)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eThe ICR10440 is a compact 3.7V lithium-ion battery engineered for high energy density in a tiny 10mm x 44mm form factor. \u003c\/span\u003e\u003cspan class=\"\"\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs bundle\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e delivers a reliable 350mAh capacity and a stable 3.7V output, making it the ideal power solution for mini tactical flashlights, keychain lights, small electronic cigarettes, and other compact EDC devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003e\u003cspan class=\"\"\u003e Important Safety Warning: While this battery shares a similar physical size to a standard AAA battery, it operates at 3.7V — significantly higher than the 1.2V\/1.5V of standard batteries. Do NOT use it in devices designed for standard AA\/AAA batteries. It is strictly for devices explicitly designed for 10440 or 3.7V power.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eTo suit your specific device requirements, we offer \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2 top-terminal variants\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top (2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Height 44mm.\u003c\/span\u003e\u003cspan class=\"\"\u003e Standard flat positive terminal.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eButton Top (2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Height 46mm.\u003c\/span\u003e\u003cspan class=\"\"\u003e Protruding positive terminal for recessed battery compartments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs ICR10440 Premium Li-ion Cells:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-quality Li-ion batteries from a trusted manufacturer.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e350mAh True Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides reliable energy for extended runtimes in compact devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStable 3.7V Output:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers consistent power for high-performance mini electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact 10440 Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Tiny 10mm diameter x 44mm\/46mm height, perfect for space-constrained devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVersatile Top Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Choose from Flat Top or Button Top to match your device's contact requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh Energy Density:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Packing 350mAh into a miniature form factor.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This product is a bare cell.\u003c\/span\u003e\u003cspan class=\"\"\u003e A compatible 3.7V Li-ion charger is required (not included).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e ICR10440\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSize:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10440\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCapacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 350mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.7V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eChemistry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Li-ion (Lithium Ion)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTop Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Flat Top (44mm) \/ Button Top (46mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10mm (Diameter) x 44mm (Flat) \/ 46mm (Button)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePack Quantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2pcs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMini Tactical Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powers compact high-lumen flashlights and keychain lights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eEDC \u0026amp; Everyday Gear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal power source for everyday carry mini electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMiniature Sensors \u0026amp; Gadgets:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Suitable for small smart sensors, alarms, and portable gadgets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY Micro Electronics:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfect for custom miniature electronic projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: Can I use this battery as a replacement for a standard AAA battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNO.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e While the physical size is similar to an AAA battery, the voltage is \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.7V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, which is significantly higher than 1.2V\/1.5V batteries. Using this battery in a standard AAA device will instantly damage your device. It is ONLY compatible with devices specifically designed for 10440 or 3.7V power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the difference between the Flat Top and Button Top?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: The Flat Top measures 44mm in height. The Button Top features a protruding positive terminal and measures 46mm in height. Choose the Button Top if your device requires a raised contact point.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What kind of charger should I use for this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: You must use a charger specifically designed for 3.6V\/3.7V Li-ion batteries with a 4.2V cut-off voltage. Do not use a standard AAA Ni-MH charger.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Is this battery suitable for high-drain devices?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: This battery is designed for medium-to-high drain compact devices such as mini flashlights and EDC gear. For extremely high-current devices, please check your device's amp requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Can I use this battery with a protection board?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: This is a bare cell without a built-in protection board. If your device does not have its own protection circuit, we recommend using a charger with over-charge protection.\u003c\/span\u003e\u003c\/p\u003e","brand":"OneAndes","offers":[{"title":"Flat Top","offer_id":51454211391734,"sku":"OAS1111","price":7.58,"currency_code":"USD","in_stock":true},{"title":"Button Top","offer_id":51454211424502,"sku":"OAS1112","price":7.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/10440-350mah-flat-button-top-options-1_c3d1c0bc-c532-4b33-b9f8-23ac5d94fbf6.webp?v=1786968146"},{"product_id":"10440-aaa-size-3-7v-350mah-button-top-li-ion-rechargeable-battery","title":"Soshine 10440 3.7V 350mAh Li-ion Battery – 1C Discharge, 3-Layer Safety Protection, Low Self-Discharge for Mini Flashlights \u0026 EDC Gear (1\/2\/4-Pack Options with Case)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eThe Soshine 10440 is a premium-grade lithium-ion battery engineered for reliable power, exceptional safety, and long-term storage. \u003c\/span\u003e\u003cspan class=\"\"\u003eThis bundle delivers a true 350mAh (1.3Wh) capacity, a stable 3.7V output, and a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1C (350mA) continuous discharge current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003cspan class=\"\"\u003e Its compact size (10mm x 43mm) is nearly identical to a standard AAA battery, but it operates at 3.7V—more than double the voltage of standard batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eBuilt with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ehigh-strength nickel-plated steel shell\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e and a full internal safety structure, this battery offers \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3-layer protection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e including \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCID (explosion-proof pressure relief switch)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePTC (over-current\/over-temperature protection)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePME (physical isolation at 160°C)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. \u003c\/span\u003e\u003cspan class=\"\"\u003eWith advanced low self-discharge technology, it retains up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e85% of its charge even after one year of storage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eTo suit your specific needs, we offer three purchasing options:\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1pc:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e A single battery for personal backup.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs with Case:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Two batteries with a free storage case for rotation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4pcs with Case:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Four batteries with a free storage case for multi-device households.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSoshine 10440 Premium Li-ion Cell:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-quality battery with a true 350mAh \/ 1.3Wh capacity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1C (350mA) Continuous Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers a stable 350mA output for high-drain compact devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3-Layer Safety Protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e CID (explosion-proof switch), PTC (over-current\/over-temperature protection), and PME (160°C physical isolation).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Strength Steel Shell:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Nickel-plated steel casing with exhaust vents to prevent explosion and leakage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUltra-Low Self-Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Retains up to 85% of its original capacity after one year of storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStable Voltage Output:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Prevents unstable current from damaging your electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact 10440 Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Measures 10mm (Diameter) x 43mm (Height), perfectly fitting 10440 battery compartments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVersatile Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Choose from 1pc, 2pcs (with case), or 4pcs (with case).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters (Based on Spec Sheet):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Soshine\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10440 (AAA size compatible)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSize:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10440\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCapacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 350mAh \/ 1.3Wh\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.7V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCharging Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 4.2V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.0V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 350mA (1C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eInternal Resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 55-62mΩ\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard Charging Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 70mA (0.2C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMax Charging Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 175mA (0.5C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSafety Features:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e CID, PTC, PME 3-layer protection, nickel-plated steel shell, exhaust vents\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSelf-Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Retains ≥85% after 1 year of storage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 17g\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10mm (Diameter) x 43mm (Length)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePack Quantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 1pc \/ 2pcs (with case) \/ 4pcs (with case)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMini Tactical Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powers compact high-lumen flashlights and keychain lights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eEDC \u0026amp; Everyday Gear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal power source for everyday carry mini electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMiniature Sensors \u0026amp; Gadgets:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Suitable for small smart sensors, alarms, and portable gadgets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY Micro Electronics:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfect for custom miniature electronic projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: Can I use this battery as a replacement for a standard AAA battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNO.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Please read the important warning above!\u003c\/span\u003e\u003cspan class=\"\"\u003e While the physical size is nearly identical to a standard AAA battery, the voltage is \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.7V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, which is significantly higher than 1.2V\/1.5V batteries. Using this battery in a standard AAA device will instantly damage your device. It is ONLY compatible with devices specifically designed for 10440 or 3.7V power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the advantage of the 3-layer safety protection?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: The Soshine 10440 features \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCID (explosion-proof pressure relief switch)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e that activates under high pressure, \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePTC (over-current\/over-temperature protection)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e that cuts off current during short circuits, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePME\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e that physically isolates at 160°C. Combined with a steel shell and exhaust vents, it offers comprehensive safety.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What is the discharge current of this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: This battery supports a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1C (350mA) continuous discharge current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, making it suitable for mini flashlights, EDC gear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: How long can this battery hold a charge?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: Thanks to advanced low self-discharge technology, it retains up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e85% of its charge even after one full year of storage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, making it perfect for backup and emergency use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: What kind of charger should I use for this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: You must use a charger specifically designed for 3.6V\/3.7V Li-ion batteries with a 4.2V cut-off voltage. Do not use a standard AAA Ni-MH charger.\u003c\/span\u003e\u003c\/p\u003e","brand":"Soshine","offers":[{"title":"1 Pack","offer_id":51454211817718,"sku":"OAS1115","price":5.58,"currency_code":"USD","in_stock":true},{"title":"2 Packs","offer_id":51454211850486,"sku":"OAS1116","price":9.98,"currency_code":"USD","in_stock":true},{"title":"4 Packs","offer_id":51454211883254,"sku":"OAS1117","price":17.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/10440-aaa-size-button-top-comparison-1_d5b1ad3a-66ce-48ff-9bc1-8c2edbfe94ff.webp?v=1786968147"},{"product_id":"2-pack-10440-3-7v-350mah-high-capacity-li-ion-rechargeable-flat-top-battery-for-mini-flashlights-toys-remote-controls-diy-electronics-projects","title":"ICR10440 3.7V 350mAh Flat Top Li-ion Battery – 10x44mm Rechargeable Cell for Mini Flashlights \u0026 EDC Gear (2pcs)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eThe ICR10440 is a compact 3.7V lithium-ion battery engineered for reliable power in a miniature 10mm x 44mm form factor. \u003c\/span\u003e\u003cspan class=\"\"\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs bundle\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e delivers a true 350mAh capacity and a stable 3.7V output (4.2V max), making it the ideal power source for mini tactical flashlights, keychain lights, and other compact EDC devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003e\u003cspan class=\"\"\u003e Important Safety \u0026amp; Usage Warning:\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVoltage Warning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e While this battery shares a similar physical size to a standard AAA battery, it operates at \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.7V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e — significantly higher than 1.2V\/1.5V standard batteries. Do NOT use it in devices designed for standard AA\/AAA batteries. It is strictly for devices explicitly designed for 10440 or 3.7V power.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProtection Warning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This battery is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ebare cell without a built-in protection board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003cspan class=\"\"\u003e Please take extra care to avoid over-discharging or over-charging, as this may damage the battery. We recommend using a smart charger with over-charge protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs ICR10440 Premium Li-ion Cells:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-quality flat top Li-ion batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e350mAh True Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides genuine, non-inflated 350mAh capacity for extended runtimes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStable 3.7V Output:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers consistent power with a full charge voltage of 4.2V.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact 10440 Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Tiny 10mm diameter x 44mm height, perfect for space-constrained devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Standard flat positive terminal for recessed battery compartments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh Energy Density:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Packing 350mAh into a miniature form factor.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a bare cell without a built-in protection board.\u003c\/span\u003e\u003cspan class=\"\"\u003e Please use a smart charger with over-charge protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e ICR10440\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSize:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10440\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCapacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 350mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.7V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFull Charge Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 4.2V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eChemistry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Li-ion (Lithium Ion)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTop Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Flat Top\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10mm (Diameter) x 44mm (Height)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProtection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e No built-in protection board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePack Quantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2pcs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMini Tactical Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powers compact high-lumen flashlights and keychain lights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eEDC \u0026amp; Everyday Gear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal power source for everyday carry mini electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMiniature Sensors \u0026amp; Gadgets:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Suitable for small smart sensors, alarms, and portable gadgets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY Micro Electronics:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfect for custom miniature electronic projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: Can I use this battery as a replacement for a standard AAA battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNO.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e While the physical size is identical to an AAA battery, the voltage is \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.7V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, which is significantly higher than 1.2V\/1.5V batteries. Using this battery in a standard AAA device will instantly damage your device. It is ONLY compatible with devices specifically designed for 10440 or 3.7V power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Does this battery have a built-in protection board?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a bare cell without a built-in protection board.\u003c\/span\u003e\u003cspan class=\"\"\u003e Please take extra care to avoid over-discharging or over-charging. We recommend using a smart charger with over-charge protection to ensure safety.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What is the difference between this Flat Top and a Button Top?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: This is a Flat Top battery with a flat positive terminal measuring 44mm in height. A Button Top version (with a protruding positive terminal) would measure 46mm in height. Please choose the correct type for your device's battery compartment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: What kind of charger should I use for this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: You must use a charger specifically designed for 3.6V\/3.7V Li-ion batteries with a 4.2V cut-off voltage. Do not use a standard AAA Ni-MH charger. A smart charger with over-charge protection is highly recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Is this battery suitable for high-drain devices?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: This battery is designed for medium-to-high drain compact devices such as mini flashlights and EDC gear. For extremely high-current devices, please check your device's amp requirements.\u003c\/span\u003e\u003c\/p\u003e","brand":"OneAndes","offers":[{"title":"Default Title","offer_id":51454211555574,"sku":"OAS1113","price":6.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/10440-350mah-flat-top-2pack-front_b08dc079-cf02-4911-a78e-d19950f18013.webp?v=1786968114"},{"product_id":"2-pack-10440-3-7v-350mah-flat-top-li-ion-rechargeable-battery-with-pre-soldered-nickel-strips-on-both-terminals-easy-soldering-no-spot-welder-needed-for-flashlights-toys-diy-packs","title":"ICR10440 3.7V 350mAh Li-ion Battery with Pre-Welded Nickel Tabs – Flat Top, 10x44mm Rechargeable Cell for DIY Projects \u0026 Mini Flashlights (2pcs)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eThe ICR10440 is a compact 3.7V lithium-ion battery engineered for reliable power in a miniature 10mm x 44mm form factor. \u003c\/span\u003e\u003cspan class=\"\"\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs bundle\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e comes with \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003epre-welded nickel tabs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e on the positive and negative terminals, making it ready for easy soldering without the need for professional spot welding equipment.\u003c\/span\u003e\u003cspan class=\"\"\u003e It delivers a true 350mAh capacity and a stable 3.7V output (4.2V max), making it the ideal power source for mini tactical flashlights, keychain lights, DIY electronic projects, and other compact devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003e\u003cspan class=\"\"\u003e Important Safety \u0026amp; Usage Warning:\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVoltage Warning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e While this battery shares a similar physical size to a standard AAA battery, it operates at \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.7V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e — significantly higher than 1.2V\/1.5V standard batteries. Do NOT use it in devices designed for standard AA\/AAA batteries. It is strictly for devices explicitly designed for 10440 or 3.7V power.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProtection Warning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This battery is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ebare cell without a built-in protection board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003cspan class=\"\"\u003e Please take extra care to avoid over-discharging or over-charging. We recommend using a smart charger with over-charge protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs ICR10440 Batteries with Pre-Welded Nickel Tabs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Comes with nickel tabs already spot-welded to the terminals for easy soldering.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e350mAh True Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides genuine, non-inflated 350mAh capacity for extended runtimes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStable 3.7V Output:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers consistent power with a full charge voltage of 4.2V.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact 10440 Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Tiny 10mm diameter x 44mm height, perfect for space-constrained devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Standard flat positive terminal.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eReady for DIY Projects:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Pre-welded tabs make it easy to integrate into custom circuits and battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a bare cell without a built-in protection board.\u003c\/span\u003e\u003cspan class=\"\"\u003e Please use a smart charger with over-charge protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e ICR10440\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSize:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10440\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCapacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 350mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.7V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFull Charge Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 4.2V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eChemistry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Li-ion (Lithium Ion)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTop Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Flat Top\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Pre-welded nickel tabs on positive and negative terminals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 10mm (Diameter) x 44mm (Height)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProtection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e No built-in protection board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePack Quantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2pcs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY Electronics \u0026amp; Custom Battery Packs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Pre-welded tabs make it easy to solder into custom circuits and DIY projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMini Tactical Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powers compact high-lumen flashlights and keychain lights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eEDC \u0026amp; Everyday Gear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal power source for everyday carry mini electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMiniature Sensors \u0026amp; Gadgets:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Suitable for small smart sensors, alarms, and portable gadgets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: What is the advantage of the pre-welded nickel tabs?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: The nickel tabs are already spot-welded to the battery terminals. This eliminates the need for expensive spot welding equipment. You can directly solder your wires to the nickel tabs using a standard soldering iron, making it easy to integrate into DIY projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Can I use this battery as a replacement for a standard AAA battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNO.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e While the physical size is identical to an AAA battery, the voltage is \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.7V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, which is significantly higher than 1.2V\/1.5V batteries. Using this battery in a standard AAA device will instantly damage your device. It is ONLY compatible with devices specifically designed for 10440 or 3.7V power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: Does this battery have a built-in protection board?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a bare cell without a built-in protection board.\u003c\/span\u003e\u003cspan class=\"\"\u003e Please take extra care to avoid over-discharging or over-charging. We recommend using a smart charger with over-charge protection to ensure safety.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: What kind of charger should I use for this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: You must use a charger specifically designed for 3.6V\/3.7V Li-ion batteries with a 4.2V cut-off voltage. Do not use a standard AAA Ni-MH charger. A smart charger with over-charge protection is highly recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Is this battery suitable for high-drain devices?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: This battery is designed for medium-to-high drain compact devices such as mini flashlights and EDC gear. For extremely high-current devices, please check your device's amp requirements.\u003c\/span\u003e\u003c\/p\u003e","brand":"OneAndes","offers":[{"title":"Default Title","offer_id":51454211588342,"sku":"OAS1114","price":6.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/10440-presoldered-nickel-strips-2pack_631bcbf7-64b9-4aed-a514-22dd5418cadf.webp?v=1786968119"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/collections\/1000x234px-10440.jpg?v=1786526009","url":"https:\/\/oneandes.com\/collections\/10440-batteries.oembed","provider":"OneAndes","version":"1.0","type":"link"}