{"product_id":"weltool-inr21-40p","title":"Weltool INR21-40P 4000mAh 21700 High Drain Li-ion Battery – 40A Discharge","description":"\u003cp data-start=\"791\" data-end=\"1157\"\u003eThe \u003cstrong data-start=\"795\" data-end=\"837\"\u003eWeltool INR21-40P 21700 Li-ion Battery\u003c\/strong\u003e is engineered for high-performance flashlights and demanding electronic devices. With a massive \u003cstrong data-start=\"934\" data-end=\"954\"\u003e4000mAh capacity\u003c\/strong\u003e and \u003cstrong data-start=\"959\" data-end=\"984\"\u003e40A maximum discharge\u003c\/strong\u003e, this high-drain cell ensures stable, long-lasting power for your gear. Compact, powerful, and dependable, it’s the perfect choice for enthusiasts who demand reliability.\u003c\/p\u003e\n\u003ch3 data-section-id=\"2ple3e\" data-start=\"1159\" data-end=\"1180\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1181\" data-end=\"1652\"\u003e\n\u003cli data-start=\"1181\" data-end=\"1265\"\u003e\n\u003cp data-start=\"1183\" data-end=\"1265\"\u003e\u003cstrong data-start=\"1183\" data-end=\"1210\"\u003eHigh Drain Performance:\u003c\/strong\u003e Up to 40A continuous discharge for powerful devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1266\" data-end=\"1345\"\u003e\n\u003cp data-start=\"1268\" data-end=\"1345\"\u003e\u003cstrong data-start=\"1268\" data-end=\"1285\"\u003eLong Runtime:\u003c\/strong\u003e 4000mAh capacity (minimum 3950mAh) supports extended use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1346\" data-end=\"1428\"\u003e\n\u003cp data-start=\"1348\" data-end=\"1428\"\u003e\u003cstrong data-start=\"1348\" data-end=\"1369\"\u003eReliable Cycling:\u003c\/strong\u003e Rated for 250 charge cycles with 60% capacity retention.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1429\" data-end=\"1509\"\u003e\n\u003cp data-start=\"1431\" data-end=\"1509\"\u003e\u003cstrong data-start=\"1431\" data-end=\"1451\"\u003ePrecision Built:\u003c\/strong\u003e Low internal resistance (≤12mΩ) for stable performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1510\" data-end=\"1572\"\u003e\n\u003cp data-start=\"1512\" data-end=\"1572\"\u003e\u003cstrong data-start=\"1512\" data-end=\"1538\"\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Slim 21.3mm diameter, only 70g.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1573\" data-end=\"1652\"\u003e\n\u003cp data-start=\"1575\" data-end=\"1652\"\u003e\u003cstrong data-start=\"1575\" data-end=\"1605\"\u003eOptimized for Flashlights:\u003c\/strong\u003e Perfect for high-output and tactical models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qeoyq4\" data-start=\"1654\" data-end=\"1687\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"_tableContainer_80l1q_1\"\u003e\n\u003cdiv class=\"_tableWrapper_80l1q_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1689\" data-end=\"2867\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1689\" data-end=\"1767\"\u003e\n\u003ctr data-start=\"1689\" data-end=\"1767\"\u003e\n\u003cth data-start=\"1689\" data-end=\"1721\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1721\" data-end=\"1767\" data-col-size=\"sm\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1847\" data-end=\"2867\"\u003e\n\u003ctr data-start=\"1847\" data-end=\"1925\"\u003e\n\u003ctd data-start=\"1847\" data-end=\"1879\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1879\" data-end=\"1925\"\u003eINR21-40P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1926\" data-end=\"2004\"\u003e\n\u003ctd data-start=\"1926\" data-end=\"1958\" data-col-size=\"sm\"\u003eCapacity\u003c\/td\u003e\n\u003ctd data-start=\"1958\" data-end=\"2004\" data-col-size=\"sm\"\u003e4000mAh (Min. 3950mAh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2005\" data-end=\"2083\"\u003e\n\u003ctd data-start=\"2005\" data-end=\"2037\" data-col-size=\"sm\"\u003eVoltage\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2037\" data-end=\"2083\"\u003e3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2084\" data-end=\"2161\"\u003e\n\u003ctd data-start=\"2084\" data-end=\"2116\" data-col-size=\"sm\"\u003eContinuous Discharge Current\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2116\" data-end=\"2161\"\u003e40A @ 25℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2162\" data-end=\"2240\"\u003e\n\u003ctd data-start=\"2162\" data-end=\"2194\" data-col-size=\"sm\"\u003eMax Charging Current\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2194\" data-end=\"2240\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2241\" data-end=\"2318\"\u003e\n\u003ctd data-start=\"2241\" data-end=\"2273\" data-col-size=\"sm\"\u003eStandard Charging Current\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2273\" data-end=\"2318\"\u003e2A @ 25℃ ± 2℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2319\" data-end=\"2396\"\u003e\n\u003ctd data-start=\"2319\" data-end=\"2351\" data-col-size=\"sm\"\u003eInternal Resistance\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2351\" data-end=\"2396\"\u003e≤12mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2397\" data-end=\"2475\"\u003e\n\u003ctd data-start=\"2397\" data-end=\"2429\" data-col-size=\"sm\"\u003eCycle Life\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2429\" data-end=\"2475\"\u003e~250 cycles (60% capacity retention)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2476\" data-end=\"2553\"\u003e\n\u003ctd data-start=\"2476\" data-end=\"2508\" data-col-size=\"sm\"\u003eCharging Temperature\u003c\/td\u003e\n\u003ctd data-start=\"2508\" data-end=\"2553\" data-col-size=\"sm\"\u003e0℃ to +45℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2554\" data-end=\"2631\"\u003e\n\u003ctd data-start=\"2554\" data-end=\"2586\" data-col-size=\"sm\"\u003eDischarging Temperature\u003c\/td\u003e\n\u003ctd data-start=\"2586\" data-end=\"2631\" data-col-size=\"sm\"\u003e-20℃ to +75℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2632\" data-end=\"2710\"\u003e\n\u003ctd data-start=\"2632\" data-end=\"2664\" data-col-size=\"sm\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2664\" data-end=\"2710\"\u003e-20℃ to +45℃ (≤3 months)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2711\" data-end=\"2789\"\u003e\n\u003ctd data-start=\"2711\" data-end=\"2743\" data-col-size=\"sm\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2743\" data-end=\"2789\"\u003e≤21.3mm (Diameter) x ≤70.3mm (Length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2790\" data-end=\"2867\"\u003e\n\u003ctd data-start=\"2790\" data-end=\"2822\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-start=\"2822\" data-end=\"2867\" data-col-size=\"sm\"\u003e≤70g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\"\u003e\n\u003cdiv class=\"absolute end-0 flex items-end\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cbutton aria-label=\"Copy Table\" class=\"hover:bg-token-bg-tertiary text-token-text-secondary my-1 rounded-sm p-1 transition-opacity group-[:not(:hover):not(:focus-within)]:pointer-events-none group-[:not(:hover):not(:focus-within)]:opacity-0\"\u003e\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 20 20\" fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"icon\"\u003e\u003cpath d=\"M12.668 10.667C12.668 9.95614 12.668 9.46258 12.6367 9.0791C12.6137 8.79732 12.5758 8.60761 12.5244 8.46387L12.4688 8.33399C12.3148 8.03193 12.0803 7.77885 11.793 7.60254L11.666 7.53125C11.508 7.45087 11.2963 7.39395 10.9209 7.36328C10.5374 7.33197 10.0439 7.33203 9.33301 7.33203H6.5C5.78896 7.33203 5.29563 7.33195 4.91211 7.36328C4.63016 7.38632 4.44065 7.42413 4.29688 7.47559L4.16699 7.53125C3.86488 7.68518 3.61186 7.9196 3.43555 8.20703L3.36524 8.33399C3.28478 8.49198 3.22795 8.70352 3.19727 9.0791C3.16595 9.46259 3.16504 9.95611 3.16504 10.667V13.5C3.16504 14.211 3.16593 14.7044 3.19727 15.0879C3.22797 15.4636 3.28473 15.675 3.36524 15.833L3.43555 15.959C3.61186 16.2466 3.86474 16.4807 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3.19727C8.79739 3.22028 8.6076 3.2572 8.46387 3.30859L8.33399 3.36524C8.03176 3.51923 7.77886 3.75343 7.60254 4.04102L7.53125 4.16699C7.4508 4.32498 7.39397 4.53655 7.36328 4.91211C7.33985 5.19893 7.33562 5.54719 7.33399 6.00195H9.33301C10.022 6.00195 10.5791 6.00131 11.0293 6.03809C11.4873 6.07551 11.8937 6.15471 12.2705 6.34668L12.4883 6.46875C12.984 6.7728 13.3878 7.20854 13.6533 7.72949L13.7197 7.87207C13.8642 8.20859 13.9292 8.56974 13.9619 8.9707C13.9987 9.42092 13.998 9.97799 13.998 10.667V12.665ZM18.165 9.33301C18.165 10.022 18.1657 10.5791 18.1289 11.0293C18.0961 11.4302 18.0311 11.7914 17.8867 12.1279L17.8203 12.2705C17.5549 12.7914 17.1509 13.2272 16.6553 13.5313L16.4365 13.6533C16.0599 13.8452 15.6541 13.9245 15.1963 13.9619C14.8593 13.9895 14.4624 13.9935 13.9951 13.9951C13.9935 14.4624 13.9895 14.8593 13.9619 15.1963C13.9292 15.597 13.864 15.9576 13.7197 16.2939L13.6533 16.4365C13.3878 16.9576 12.9841 17.3941 12.4883 17.6982L12.2705 17.8203C11.8937 18.0123 11.4873 18.0915 11.0293 18.1289C10.5791 18.1657 10.022 18.165 9.33301 18.165H6.5C5.81091 18.165 5.25395 18.1657 4.80371 18.1289C4.40306 18.0962 4.04235 18.031 3.70606 17.8867L3.56348 17.8203C3.04244 17.5548 2.60585 17.151 2.30176 16.6553L2.17969 16.4365C1.98788 16.0599 1.90851 15.6541 1.87109 15.1963C1.83431 14.746 1.83496 14.1891 1.83496 13.5V10.667C1.83496 9.978 1.83432 9.42091 1.87109 8.9707C1.90851 8.5127 1.98772 8.10625 2.17969 7.72949L2.30176 7.51172C2.60586 7.0159 3.04236 6.6122 3.56348 6.34668L3.70606 6.28027C4.04237 6.136 4.40303 6.07083 4.80371 6.03809C5.14051 6.01057 5.53708 6.00551 6.00391 6.00391C6.00551 5.53708 6.01057 5.14051 6.03809 4.80371C6.0755 4.34588 6.15483 3.94012 6.34668 3.56348L6.46875 3.34473C6.77282 2.84912 7.20856 2.44514 7.72949 2.17969L7.87207 2.11328C8.20855 1.96886 8.56979 1.90385 8.9707 1.87109C9.42091 1.83432 9.978 1.83496 10.667 1.83496H13.5C14.1891 1.83496 14.746 1.83431 15.1963 1.87109C15.6541 1.90851 16.0599 1.98788 16.4365 2.17969L16.6553 2.30176C17.151 2.60585 17.5548 3.04244 17.8203 3.56348L17.8867 3.70606C18.031 4.04235 18.0962 4.40306 18.1289 4.80371C18.1657 5.25395 18.165 5.81091 18.165 6.5V9.33301Z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/button\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-section-id=\"1y66e5o\" data-start=\"2869\" data-end=\"2893\"\u003eSafety Warnings\u003c\/h3\u003e\n\u003cul data-start=\"2894\" data-end=\"3138\"\u003e\n\u003cli data-start=\"2894\" data-end=\"2952\"\u003e\n\u003cp data-start=\"2896\" data-end=\"2952\"\u003eDo \u003cstrong data-start=\"2899\" data-end=\"2906\"\u003enot\u003c\/strong\u003e immerse in water or expose to heat sources.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2953\" data-end=\"3018\"\u003e\n\u003cp data-start=\"2955\" data-end=\"3018\"\u003eAlways use a professional charger with overcharge protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3019\" data-end=\"3076\"\u003e\n\u003cp data-start=\"3021\" data-end=\"3076\"\u003eAvoid over-discharge and reverse polarity connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3077\" data-end=\"3138\"\u003e\n\u003cp data-start=\"3079\" data-end=\"3138\"\u003eDo not pierce, disassemble, or short-circuit the battery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aps8o5\" data-start=\"3140\" data-end=\"3164\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul data-start=\"3165\" data-end=\"3230\"\u003e\n\u003cli data-start=\"3165\" data-end=\"3230\"\u003e\n\u003cp data-start=\"3167\" data-end=\"3230\"\u003e1 x Weltool INR21-40P 21700 4000mAh High Drain Li-ion Battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weltool","offers":[{"title":"Default Title","offer_id":52098185396544,"sku":"INR21-40P","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/8953\/7088\/files\/weltool-inr21-40p-21700-4000mah-battery_72e2c76d-81e8-45fb-82f6-6e2bb598f4a6.jpg?v=1780939158","url":"https:\/\/goinglights.com\/products\/weltool-inr21-40p","provider":"Going Lights","version":"1.0","type":"link"}