{"product_id":"led-light-flashlight-camera-rechargeable-li-ion-battery-18500-3-6v-2040mah-by-japan-ncr18500a","title":"LED Light Flashlight Camera Rechargeable Li-ion Battery 18500 3.6V 2040mAh by Japan NCR18500A","description":"\u003ch2\u003e\u003cstrong\u003e18500 3.6V 2040mAh Li-ion Rechargeable Battery with Tabs for DIY Battery Pack\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eProfessional-grade 18500 cylindrical lithium-ion rechargeable battery featuring premium Panasonic NCR18500A cells. Available in three tab configurations (Type A, Type B, Type C) specifically designed for DIY battery pack assembly and custom battery combinations. Perfect for flashlights, LED lights, cameras, and custom battery pack projects.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Tab Configurations:\u003c\/strong\u003e Type A, Type B, Type C for flexible battery pack assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanasonic NCR18500A Cells:\u003c\/strong\u003e Premium Japanese cells for superior performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Battery Pack Friendly:\u003c\/strong\u003e Pre-welded tabs for easy series\/parallel connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Capacity:\u003c\/strong\u003e 2040mAh (minimum 1940mAh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18500 Size:\u003c\/strong\u003e Standard cylindrical format (18mm × 50mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembled by FMA:\u003c\/strong\u003e Quality assembly with reliable tab welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Cycle Life:\u003c\/strong\u003e 500+ charge cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× 18500 3.6V 2040mAh Li-ion Battery with tabs (tab type as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCell Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePanasonic NCR18500A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSize Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e18500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.6V (3.7V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTypical Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2040mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMinimum Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1940mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLi-ion (Lithium-Ion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~50mm (with tabs may vary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~66g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCharge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDischarge Cut-off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.75V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e500+ cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTab Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eType A, Type B, Type C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCell Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eJapan (Panasonic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eAssembly\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eTab Configuration Options for DIY Battery Pack Assembly\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTab Type\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePositive (+) Tab\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNegative (-) Tab\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eType A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTop center\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBottom side\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStandard series connection, vertical stacking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eType B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTop side\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBottom side (opposite)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSide-by-side parallel connection, compact packs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eType C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTop side\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBottom side (same side)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eEasy soldering, custom configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/Tab_types_All.jpg?v=1766471445\" alt=\"Tab types\"\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eDIY Battery Pack Assembly Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSeries Connection (Voltage Addition):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect positive (+) tab of one cell to negative (-) tab of next cell\u003c\/li\u003e\n\u003cli\u003e2 cells in series = 7.4V (3.7V + 3.7V)\u003c\/li\u003e\n\u003cli\u003e3 cells in series = 11.1V (3.7V + 3.7V + 3.7V)\u003c\/li\u003e\n\u003cli\u003eCapacity remains the same (2040mAh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest Tab Type:\u003c\/strong\u003e Type A or Type C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eParallel Connection (Capacity Addition):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect all positive (+) tabs together\u003c\/li\u003e\n\u003cli\u003eConnect all negative (-) tabs together\u003c\/li\u003e\n\u003cli\u003e2 cells in parallel = 3.7V, 4080mAh (2040mAh + 2040mAh)\u003c\/li\u003e\n\u003cli\u003e3 cells in parallel = 3.7V, 6120mAh (2040mAh + 2040mAh + 2040mAh)\u003c\/li\u003e\n\u003cli\u003eVoltage remains the same (3.7V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest Tab Type:\u003c\/strong\u003e Type B\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSeries-Parallel Combination (Voltage + Capacity):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExample: 2S2P = 2 series groups of 2 parallel cells\u003c\/li\u003e\n\u003cli\u003eResult: 7.4V, 4080mAh\u003c\/li\u003e\n\u003cli\u003eExample: 3S2P = 3 series groups of 2 parallel cells\u003c\/li\u003e\n\u003cli\u003eResult: 11.1V, 4080mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest Tab Type:\u003c\/strong\u003e Mix of Type A\/B\/C based on layout\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose FMA Assembly?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFMA specializes in professional battery pack assembly using premium cells. Our tab welding ensures reliable connections for DIY battery pack projects. Each cell is tested and assembled to strict quality standards, perfect for custom battery pack builders and electronics enthusiasts.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSafety Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ IMPORTANT SAFETY WARNINGS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAssembly Safety:\u003c\/strong\u003e Battery pack assembly requires knowledge of electrical safety. If unsure, consult a professional.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMS Required:\u003c\/strong\u003e Always use a Battery Management System (BMS) for multi-cell packs to prevent overcharge, over-discharge, and short circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCharging:\u003c\/strong\u003e Use only Li-ion compatible chargers with correct voltage settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStorage:\u003c\/strong\u003e Store at 40-60% charge (3.7-3.9V) in cool, dry place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperation:\u003c\/strong\u003e Do not short-circuit, puncture, crush, or disassemble cells.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e Charge: 0-45°C, Discharge: -20-60°C, Storage: -20-35°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisposal:\u003c\/strong\u003e Dispose according to local regulations. Do not incinerate or dispose of in regular trash.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping \u0026amp; Transportation Notice\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHazardous Material:\u003c\/strong\u003e This product contains lithium-ion batteries and is classified as dangerous goods for shipping purposes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAir Transport Restrictions:\u003c\/strong\u003e Due to international air transport regulations, battery shipments may be subject to additional restrictions and longer transit times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging Compliance:\u003c\/strong\u003e All shipments comply with UN3480 or UN3481 packaging requirements for lithium-ion batteries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e Battery-containing parcels may experience extended delivery times due to stricter customs inspections and carrier handling procedures.\u003c\/p\u003e","brand":"fmabattery","offers":[{"title":"Type C","offer_id":46437234245821,"sku":"FL2040-18500CT001","price":14.78,"currency_code":"USD","in_stock":true},{"title":"Type B","offer_id":46437234278589,"sku":"FL2040-18500CT001","price":14.78,"currency_code":"USD","in_stock":true},{"title":"Type A","offer_id":46437234311357,"sku":"FL2040-18500CT001","price":14.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/S3d6fbf50f50f48ea8150b29912fccaecs.webp?v=1772161503","url":"https:\/\/fmabattery.com\/products\/led-light-flashlight-camera-rechargeable-li-ion-battery-18500-3-6v-2040mah-by-japan-ncr18500a","provider":"fmabattery","version":"1.0","type":"link"}