{"product_id":"vapcell-18500-2400mah-inr-battery-2-pack-5a-continuous-high-capacity-alternative-to-imr","title":"2-Pack Vapcell 18500 2400mAh 3.7V 5A CDR Flat Top Battery – High Capacity Short Cell for Flashlights, Headlamps \u0026 Electronics","description":"\u003ch4\u003e\u003cspan class=\"\"\u003eDescription\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eMaximize runtime in your compact devices with the Vapcell 18500 2400mAh battery. This 2-pack delivers a substantial 2400mAh capacity and a steady 5A continuous discharge, making it an outstanding power solution for short-body flashlights, lightweight headlamps, portable fans, electric toothbrushes, and medical equipment designed for the 18500 form factor. At only 50mm long—15mm shorter than an 18650—it fits where longer cells cannot, while providing far more endurance than smaller 18350 alternatives. The flat top design ensures reliable contact with spring-loaded terminals. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The 18500 is a distinct battery size.\u003c\/span\u003e\u003cspan class=\"\"\u003e Always verify your device explicitly requires an 18500 cell before ordering—it will not fit in 18650 or 18350 compartments. With Vapcell's trusted quality and excellent cycle life, this 2-pack keeps your essential gear running longer between charges.\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=\"\"\u003e2400mAh High Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Among the highest capacities available in the 18500 form factor.\u003c\/span\u003e\u003cspan class=\"\"\u003e Delivers approximately 10–20% more runtime than standard 2000–2200mAh 18500 cells, giving you noticeably longer operation between charges.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e5A Continuous Discharge (CDR)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Stable, reliable power for regulated LED flashlights, headlamps, portable fans, electric toothbrushes, and similar medium-drain electronics.\u003c\/span\u003e\u003cspan class=\"\"\u003e Handles brighter flashlight modes and moderate motor loads with ease.\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 – Universally compatible with devices featuring spring-loaded contacts.\u003c\/span\u003e\u003cspan class=\"\"\u003e The flat positive terminal is also ideal for spot-welding nickel strips in custom 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=\"\"\u003e18500 Form Factor – The Shorter Advantage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Same diameter as an 18650 (18mm) but only \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e50mm long\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e—15mm shorter. Perfect for devices that need more capacity than an 18350 but cannot accommodate a full-size 18650. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eAlways measure your device's battery compartment before ordering.\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=\"\"\u003eINR Chemistry\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Offers excellent energy density and low internal resistance, making these cells ideal for everyday use across a wide range of portable 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=\"\"\u003eLong Cycle Life\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Retains over 80% of initial capacity after 500 charge\/discharge cycles under recommended conditions, reducing long-term replacement costs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2-Pack Convenience\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Perfect for powering a specialty flashlight and keeping a charged spare, or for devices that require two 18500 cells.\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\u003cspan class=\"\"\u003e38 g\u003c\/span\u003e\u003cspan class=\"\"\u003ePackage Includes\u003c\/span\u003e\u003cspan class=\"\"\u003e2 × Vapcell 18500 2400mAh flat top cells in protective packaging\u003c\/span\u003e\n\u003cbr\u003e\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\u003ctbody\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\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eVapcell 18500 2400mAh 5A\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=\"\"\u003e18500 (18.3 mm diameter × 50.0 mm length)\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=\"\"\u003e2400 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~2300 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=\"\"\u003e5 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 8 A (short burst only, 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 (1200 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 (2400 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≤ 35 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≥ 500 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\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\u003c\/tbody\u003e\n\u003cbr\u003e\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\u003cspan class=\"\"\u003e 18.3 mm diameter × 50.0 mm length (15mm shorter than 18650)\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. \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\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\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=\"\"\u003eSpecialty Short-Body Flashlights (18500 Compatible)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Certain compact EDC lights are designed specifically for 18500 cells. The 2400mAh capacity provides extended illumination, and the 5A CDR handles medium-high and even brief turbo modes with confidence. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMust verify your flashlight uses 18500 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=\"\"\u003eCompact Headlamps\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Noticeably lighter than 18650-powered models, yet with ample capacity for long night hikes, cave exploration, or professional inspections.\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 Fans \u0026amp; Mini Cooling Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Some compact fans accept 18500 cells.\u003c\/span\u003e\u003cspan class=\"\"\u003e The 5A output supports higher fan speeds, while the 2400mAh capacity ensures longer cooling sessions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eElectric Toothbrushes (Select Models)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: High-end rechargeable toothbrushes using 18500 cells benefit from the extended runtime—fewer charging cycles, more brushing sessions.\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 Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Compact diagnostic tools, portable monitors, and infusion pumps that require reliable, long-lasting power in a shorter-than-18650 package.\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 Power Tools (Select Models)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Small electric screwdrivers and engraving pens that use 18500 cells and need moderate current delivery.\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=\"\"\u003e18650 or 18350 Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: The 18500 is a distinct size—15mm shorter than an 18650 and 15mm longer than an 18350. It will not fit properly in compartments designed for other sizes. Always verify your device's battery tube 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=\"\"\u003eStandard 1.5V AA Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: This is an 18mm diameter, 3.7V cell.\u003c\/span\u003e\u003cspan class=\"\"\u003e It is completely incompatible with AA devices in both voltage and physical size.\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;5A Continuous)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: For FET-driven turbo flashlights requiring 8–10A, high-power vaping, or heavy-duty power tools, use a dedicated high-drain 18500 like the Vapcell 2000mAh (10A) or a larger form factor cell.\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: What is an 18500 battery? Will it fit my 18650 flashlight or 18350 device?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: The 18500 has the same diameter as an 18650 (18mm) but is only \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e50mm long\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e—15mm shorter than an 18650 and 15mm longer than an 18350. It is a distinct size and will only fit devices specifically designed for 18500 cells. Always check your device's manual or measure the battery compartment before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: How does the 2400mAh capacity compare to other 18500 cells?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: 2400mAh is among the higher capacities available in the 18500 form factor. It provides approximately 10–20% more runtime than typical 2000–2200mAh cells, making it an excellent choice for users who prioritize maximum endurance in their short-body devices.\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 AA-powered device?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: No. This is an 18mm diameter, 3.7V lithium-ion cell. Standard AA devices use 14mm diameter, 1.5V cells. Both the voltage and physical size are incompatible, and using this cell will permanently damage the device.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Can I charge this with any lithium-ion charger?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: Yes. This cell uses standard lithium-ion charging (CC-CV to 4.2V). It is compatible with most quality chargers that accommodate 50mm-long cells. Charge at 0.5C (1200mA) for best longevity.\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":51454204182774,"sku":"OAS1005","price":14.98,"currency_code":"USD","in_stock":true},{"title":"Button Top","offer_id":51454204215542,"sku":"OAS1006","price":15.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/vapcell-18500-2400-2pack-1_959e22fc-3565-4881-a7a8-1b3952247809.webp?v=1786967759","url":"https:\/\/oneandes.com\/products\/vapcell-18500-2400mah-inr-battery-2-pack-5a-continuous-high-capacity-alternative-to-imr","provider":"OneAndes","version":"1.0","type":"link"}