{"title":"10440 Battery \u0026 Charger","description":"\u003ch2\u003e10440 Battery \u0026amp; Charger – AAA-Sized Li-ion Cells + Dedicated Chargers, High-Voltage Power for Compact Devices\u003c\/h2\u003e\n\u003cp\u003eWelcome to our \u003cstrong\u003e10440 Battery \u0026amp; Charger\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× NiMH AAA) and usable capacities from \u003cstrong\u003e200mAh to 400mAh\u003c\/strong\u003e—the ideal high-voltage upgrade from disposable alkalines for compact devices. This collection offers a full range of 10440 cells—including high-capacity NMC and inherently safe LiFePO₄—along with \u003cstrong\u003ededicated Li-ion chargers\u003c\/strong\u003e compatible with 10440\/AAA\/14500\/16340 and more. Ideal for \u003cstrong\u003ehigh-performance flashlights, headlamps, wireless mice, remote controls, digital cameras, medical devices, and various compact portable electronics\u003c\/strong\u003e.\u003c\/p\u003e\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 × 44mm—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 high-energy NMC (3.7V) and inherently safe LiFePO₄ (3.2V) formulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Self-Discharge:\u003c\/strong\u003e Monthly self-discharge as low as 3% ensures readiness 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\u003ch3\u003eCore Advantages of 10440 Dedicated Chargers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Charging Management:\u003c\/strong\u003e CC\/CV profile with automatic battery type detection (Li-ion\/LiFePO₄) and auto-termination to prevent overcharging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Safety Protections:\u003c\/strong\u003e Overcharge, over-discharge, overcurrent, short-circuit, reverse polarity, and overheat protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Size Compatibility:\u003c\/strong\u003e Supports 10440, AAA NiMH, 14500, 16340, 18350, and more—one charger for multiple formats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent Charging Channels:\u003c\/strong\u003e Multi-bay chargers control each slot independently—mix cells of different charge levels and sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD Digital Display:\u003c\/strong\u003e Real-time monitoring of voltage, current, and charged capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e10440 Li-ion vs. AAA Alkaline vs. AAA NiMH\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" class=\"10440-bc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003e10440 Li-ion\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eAAA Alkaline\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eAAA NiMH\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e3.2V (LiFePO₄) \/ 3.7V (NMC)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e1.5V\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e1.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eTypical Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e200mAh – 400mAh\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e500mAh – 1200mAh\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e300mAh – 1100mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eRechargeable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e✅ Yes (500–1,000+)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e❌ No\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e✅ Yes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eEnergy Density\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eHigh\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003eModerate\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e~8g–10g\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e~11g\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e~12g–14g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e3.7V high-voltage devices\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003eLow-drain daily use\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eHigh-drain frequent use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePopular 10440 Battery \u0026amp; Charger Models – Quick Reference\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" class=\"10440-bc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eCategory\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eModel\/Spec\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eFeatures\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eHigh Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eICR10440 350mAh\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e350mAh \/ 0.5A–1A, high-capacity LiCoO₂ for consumer electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eBalanced\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eINR10440 300mAh\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e300mAh \/ 1A–2A, balanced capacity and discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eLiFePO₄\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eIFR10440 200mAh\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e200mAh \/ 0.5A, 3.2V safe chemistry for solar\/medical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e\u003cstrong\u003eProtected\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003eProtected 10440\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e300–350mAh \/ 0.5A–1A, built-in protection for consumer safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e\u003cstrong\u003e2-Bay Charger\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003eXTAR VC2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eLCD display, supports 10440\/14500\/18650, USB input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e\u003cstrong\u003e4-Bay Charger\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003eNitecore D4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eIndependent channels, auto-detection, LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e\u003cstrong\u003eSingle-Bay Portable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eXTAR MC1\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eUSB input, ultra-portable, perfect for travel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTypical Specifications Range (10440 Battery \u0026amp; Charger)\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" class=\"10440-bc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #663;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003e10440 Battery\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eCompatible Charger\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e3.2V (LiFePO₄) \/ 3.6V–3.7V (NMC)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eAuto-detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eCapacity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e200mAh – 400mAh\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eContinuous Discharge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e0.5A – 2A\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e—\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eUSB 5V \/ DC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e\u003cstrong\u003eCharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e—\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e0.25A – 0.5A (adjustable\/adaptive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e\u003cstrong\u003eSize Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e10mm × 44mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e10440\/AAA\/14500 and more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" class=\"10440-bc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eApplication\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eRecommended Battery Type\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eRecommended Charger\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eHigh-performance flashlights \/ headlamps\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eHigh-Capacity NMC \/ Protected\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eSingle-bay USB \/ 2-bay LCD charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eWireless mice \/ remote controls\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eBalanced \/ Protected\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e2-bay smart charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eDigital cameras \/ flash units\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eHigh Capacity\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e2-bay digital charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eMedical devices \/ portable instruments\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eLiFePO₄ \/ Protected\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eLiFePO₄-compatible charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eSolar storage \/ emergency lighting\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eLiFePO₄\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e4-bay charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eElectric toys \/ models\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eBalanced\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e4-bay charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eHow to Choose the Right 10440 Battery \u0026amp; Charger?\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" class=\"10440-bc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #663;\"\u003eYour Requirement\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eRecommended Battery Type\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;\"\u003eRecommended Charger\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eI need maximum capacity for flashlights or digital devices\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eHigh Capacity (350mAh)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e2-bay LCD charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eI want protected plug-and-play cells for daily use\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eProtected\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e2-bay smart charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eSafety is critical (medical\/emergency)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eLiFePO₄\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eCharger with LiFePO₄ mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eI need portable charging for travel\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eAny 10440\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eSingle-bay USB portable charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eI need to charge multiple different cell types\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e—\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eMulti-bay independent channel charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eI need bulk quantities or custom packs\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003eContact our sales team\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #663;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003ch3\u003e⚠️ 10440 Battery \u0026amp; Charger Safety Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Compatibility – Special Attention Required:\u003c\/strong\u003e 10440 nominal voltage is \u003cstrong\u003e3.7V\u003c\/strong\u003e (full charge \u003cstrong\u003e4.2V\u003c\/strong\u003e), whereas standard AAA alkaline is \u003cstrong\u003e1.5V\u003c\/strong\u003e. \u003cstrong\u003eInserting a 10440 into voltage-sensitive devices may cause overvoltage damage.\u003c\/strong\u003e Always confirm your device supports 3.7V Li-ion before use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo Not Mix Chemistries:\u003c\/strong\u003e 3.2V LiFePO₄ and 3.7V NMC cells \u003cstrong\u003ecannot be mixed or charged with the same settings\u003c\/strong\u003e. Verify charger mode before charging.\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.\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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid Short Circuits and High Temperatures:\u003c\/strong\u003e Do not short the terminals. Keep away from fire, heat, and moisture.\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\u003ch3\u003eWhy Choose Our 10440 Battery \u0026amp; Charger Collection?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Grade-A Cells:\u003c\/strong\u003e Batteries from Vapcell, Efest, Samsung, and other Tier-1 manufacturers. Chargers from XTAR, Nitecore, and professional brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Tested \u0026amp; Matched:\u003c\/strong\u003e Every battery batch undergoes capacity grading, IR testing, and voltage sorting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Stop Shopping:\u003c\/strong\u003e Cells, chargers, and accessories all in one place.\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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Technical Support:\u003c\/strong\u003e Guidance on cell selection, charger matching, and after-sales service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e👇👇👇 Browse the product list below to find the perfect \u003cstrong\u003e10440 Battery \u0026amp; Charger\u003c\/strong\u003e combo for your application. For volume quotes or custom pack solutions, please contact our engineering team.\u003c\/p\u003e","products":[],"url":"https:\/\/oneandes.com\/collections\/10440-battery-charger.oembed","provider":"OneAndes","version":"1.0","type":"link"}