{"product_id":"samsung-inr21700-40t-3-6v-4000mah-35a-lithium-ion-battery","title":"Samsung INR21700-40T 3.6V 4000MAH 35A LITHIUM-ION BATTERY","description":"\u003ch4\u003eKEY FEATURES\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000mAh Nominal Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh energy density for extended runtime in demanding systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35A Continuous Discharge:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEngineered to support sustained high-current applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e21700 Cell Format:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLarger form factor improves thermal performance and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat Top Terminal:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for battery pack assembly and professional integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable Lithium-Ion Chemistry:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStable voltage delivery with long cycle life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eOVERVIEW\u003c\/h4\u003e\n\u003cp\u003eThe Samsung 40T 21700 lithium-ion battery is built for high-performance applications requiring both capacity and power. Offering a 4000mAh nominal capacity with a 35A continuous discharge rating, this cell delivers reliable energy output under heavy load conditions. Its flat top construction makes it suitable for protected battery packs and advanced power assemblies.\u003c\/p\u003e\n\u003ch4\u003eAPPLICATIONS \/ USES\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eElectric mobility battery systems\u003c\/li\u003e\n\u003cli\u003ePower tool battery packs\u003c\/li\u003e\n\u003cli\u003eIndustrial energy storage solutions\u003c\/li\u003e\n\u003cli\u003eHigh-output portable equipment\u003c\/li\u003e\n\u003cli\u003eCustom lithium-ion battery assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSPECIFICATIONS\u003c\/h4\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer:\u003c\/td\u003e\n\u003ctd\u003eSamsung SDI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel:\u003c\/td\u003e\n\u003ctd\u003eINR21700-40T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Size:\u003c\/td\u003e\n\u003ctd\u003e21700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositive Terminal:\u003c\/td\u003e\n\u003ctd\u003eFlat Top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Capacity:\u003c\/td\u003e\n\u003ctd\u003e4000mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Continuous Discharge:\u003c\/td\u003e\n\u003ctd\u003e35A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage:\u003c\/td\u003e\n\u003ctd\u003e3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Voltage:\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge Cut-Off Voltage:\u003c\/td\u003e\n\u003ctd\u003e2.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtected:\u003c\/td\u003e\n\u003ctd\u003eNo, unprotected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRechargeable:\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Dimensions:\u003c\/td\u003e\n\u003ctd\u003e21.1mm × 70.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Weight:\u003c\/td\u003e\n\u003ctd\u003e66.8g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Specification Sheet:\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/2761\/1190\/files\/samsung_40T.pdf?v=1715096343\" rel=\"noopener\" target=\"_blank\"\u003eSamsung 40T Datasheet\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003e⚠ Important Safety Warnings\u003c\/h3\u003e\n\u003cp\u003eImproper handling or misuse of this lithium-ion battery can result in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFIRE, EXPLOSION\u003c\/strong\u003e, or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTHERMAL RUNAWAY\u003c\/strong\u003e, causing personal injury, property damage, or death. Users must read and follow all safety guidelines before purchase and use.\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/midwestbattery.myshopify.com\/pages\/lithium-battery-safety\"\u003e\u003cspan\u003e\u003cstrong\u003eClick here \u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003eto review the full safety guidelines.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCritical Warning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNever carry loose batteries in your pocket, purse, or bag. Loose batteries can come into contact with metal objects like keys or coins, causing a short circuit, which may result in severe burns, fire, or explosion. Always store or transport batteries in a protective case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended Use:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis battery is designed for integration into\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eprotected battery packs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBattery Management System (BMS)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProtection Circuit Board (PCB)\u003c\/strong\u003e. It is not intended for standalone use or for e-cigarettes, vaporizers, or similar devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Runaway:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA chain reaction where heat from a failing battery causes further overheating, potentially leading to fire or explosion.\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCauses:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOvercharging, short circuits, physical damage, or exposure to high temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevention:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse a smart charger, avoid damage, and store batteries in a cool, dry place.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage \u0026amp; Transport:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways store batteries in protective cases to prevent accidental contact with metal objects. Never store loose batteries in pockets, purses, bags, or near conductive materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDo not use if the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePVC wrapper\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eterminal insulator\u003c\/strong\u003e, or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecasing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis damaged, dented, leaking, or bulging. Continued use could result in failure, fire, or explosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esmart charger\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003especifically designed for lithium-ion batteries and ensure the charger's voltage matches the battery's specifications. Never overcharge, over-discharge, or leave unattended while charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProhibited Activities:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eDo not expose the battery to extreme heat, fire, or liquids.\u003c\/li\u003e\n\u003cli\u003eDo not short circuit, puncture, crush, or modify the battery.\u003c\/li\u003e\n\u003cli\u003eDo not charge or discharge beyond the manufacturer’s voltage range.\u003c\/li\u003e\n\u003cli\u003eDo not dispose of in regular trash—always recycle at approved facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIf the battery overheats, emits smoke, or swells, move it to a non-flammable surface (e.g., sand or concrete) and stop use immediately. In case of fire, use a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eClass D fire extinguisher\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor sand. Do not use water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003eDISCLAIMER\u003c\/h4\u003e\n\u003cp\u003eMidwest Battery, LLC is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Lithium-ion batteries require strict adherence to all safety protocols. It is the reseller's responsibility to ensure all safety warnings and product guidelines are effectively communicated to customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Midwest Battery, LLC","offers":[{"title":"Default Title","offer_id":47974518522019,"sku":"6923400INR2170040T","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2182\/2883\/files\/INR21700-40T.jpg?v=1786308636","url":"https:\/\/midwestbattery.myshopify.com\/products\/samsung-inr21700-40t-3-6v-4000mah-35a-lithium-ion-battery","provider":"Midwest Battery, LLC","version":"1.0","type":"link"}