{"product_id":"roofer-18650-3-7v-lithium-ion-rechargeable-battery","title":"Roofer 18650 3.7V Lithium-Ion Rechargeable Battery","description":"\u003ch2 data-start=\"65\" data-end=\"155\"\u003eRoofer 18650 3.7V Lithium-Ion Rechargeable Battery (2000mAh \/ 2200mAh \/ 2500mAh \/ 2600mAh)\u003c\/h2\u003e\n\u003cp data-start=\"290\" data-end=\"611\"\u003eThe \u003cstrong data-start=\"294\" data-end=\"348\"\u003eRoofer 18650 3.7V Lithium-Ion Rechargeable Battery\u003c\/strong\u003e is a high-performance cylindrical cell designed for \u003cstrong data-start=\"401\" data-end=\"471\"\u003eDIY battery packs, robotics, IoT devices, and portable electronics\u003c\/strong\u003e. Known for its \u003cstrong data-start=\"487\" data-end=\"544\"\u003estable output, good cycle life, and reliable capacity\u003c\/strong\u003e, this battery is widely used in maker and industrial applications.\u003c\/p\u003e\n\u003cp data-start=\"613\" data-end=\"912\"\u003eAvailable in multiple capacity variants such as \u003cstrong data-start=\"661\" data-end=\"703\"\u003e2000mAh, 2200mAh, 2500mAh, and 2600mAh\u003c\/strong\u003e, it provides flexibility depending on your \u003cstrong data-start=\"747\" data-end=\"783\"\u003eruntime and current requirements\u003c\/strong\u003e. The standard \u003cstrong data-start=\"798\" data-end=\"833\"\u003e18650 form factor (18mm × 65mm)\u003c\/strong\u003e ensures compatibility with holders, chargers, and battery pack configurations.\u003c\/p\u003e\n\u003cp data-start=\"914\" data-end=\"1069\"\u003eThese cells offer \u003cstrong data-start=\"932\" data-end=\"976\"\u003ehigh energy density and no memory effect\u003c\/strong\u003e, making them superior to older battery technologies. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1071\" data-end=\"1074\"\u003e\n\u003ch2 data-section-id=\"1j5qwet\" data-start=\"1076\" data-end=\"1095\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1079\" data-end=\"1095\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1096\" data-end=\"1385\"\u003e\n\u003cli data-section-id=\"rt9okz\" data-start=\"1096\" data-end=\"1145\"\u003eStandard \u003cstrong data-start=\"1107\" data-end=\"1143\"\u003e18650 cylindrical cell (18×65mm)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xborq9\" data-start=\"1146\" data-end=\"1196\"\u003eNominal voltage: \u003cstrong data-start=\"1165\" data-end=\"1194\"\u003e3.7V (4.2V fully charged)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eutdx3\" data-start=\"1197\" data-end=\"1245\"\u003eMultiple capacity options for flexible usage\u003c\/li\u003e\n\u003cli data-section-id=\"1rff9ln\" data-start=\"1246\" data-end=\"1292\"\u003eHigh energy density and lightweight design\u003c\/li\u003e\n\u003cli data-section-id=\"la6nrl\" data-start=\"1293\" data-end=\"1330\"\u003eRechargeable with long cycle life\u003c\/li\u003e\n\u003cli data-section-id=\"s1ebz3\" data-start=\"1331\" data-end=\"1385\"\u003eSuitable for series\/parallel battery pack building\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1387\" data-end=\"1390\"\u003e\n\u003ch2 data-section-id=\"1vwarx2\" data-start=\"1392\" data-end=\"1426\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1395\" data-end=\"1426\"\u003eVariants – Capacity Options\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1428\" data-end=\"1727\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1428\" data-end=\"1476\"\u003e\n\u003ctr data-start=\"1428\" data-end=\"1476\"\u003e\n\u003cth data-start=\"1428\" data-end=\"1442\" data-col-size=\"sm\" class=\"\"\u003e\u003cstrong data-start=\"1430\" data-end=\"1441\"\u003eVariant\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"1442\" data-end=\"1457\" data-col-size=\"sm\" class=\"\"\u003e\u003cstrong data-start=\"1444\" data-end=\"1456\"\u003eCapacity\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"1457\" data-end=\"1476\" data-col-size=\"sm\" class=\"\"\u003e\u003cstrong data-start=\"1459\" data-end=\"1474\"\u003eTypical Use\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1523\" data-end=\"1727\"\u003e\n\u003ctr data-start=\"1523\" data-end=\"1574\"\u003e\n\u003ctd data-start=\"1523\" data-end=\"1533\" data-col-size=\"sm\"\u003e2000mAh\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1533\" data-end=\"1547\"\u003eEntry-level\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1547\" data-end=\"1574\"\u003eToys, small electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1575\" data-end=\"1617\"\u003e\n\u003ctd data-start=\"1575\" data-end=\"1585\" data-col-size=\"sm\"\u003e2200mAh\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1585\" data-end=\"1596\"\u003eStandard\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1596\" data-end=\"1617\"\u003eDIY \u0026amp; general use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1618\" data-end=\"1669\"\u003e\n\u003ctd data-start=\"1618\" data-end=\"1628\" data-col-size=\"sm\"\u003e2500mAh\u003c\/td\u003e\n\u003ctd data-start=\"1628\" data-end=\"1644\" data-col-size=\"sm\"\u003eHigh capacity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1644\" data-end=\"1669\"\u003eRobotics, IoT devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1670\" data-end=\"1727\"\u003e\n\u003ctd data-start=\"1670\" data-end=\"1680\" data-col-size=\"sm\"\u003e2600mAh\u003c\/td\u003e\n\u003ctd data-start=\"1680\" data-end=\"1696\" data-col-size=\"sm\"\u003eHigher backup\u003c\/td\u003e\n\u003ctd data-start=\"1696\" data-end=\"1727\" data-col-size=\"sm\"\u003ePower packs, longer runtime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-start=\"1729\" data-end=\"1867\"\u003e\n\u003cp data-start=\"1731\" data-end=\"1867\"\u003eHigher capacity variants provide longer backup and better performance in demanding applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1869\" data-end=\"1872\"\u003e\n\u003ch2 data-section-id=\"2lppn4\" data-start=\"1874\" data-end=\"1909\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1877\" data-end=\"1895\"\u003eSpecifications\u003c\/strong\u003e \u003cem data-start=\"1896\" data-end=\"1907\"\u003e(typical)\u003c\/em\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1910\" data-end=\"2183\"\u003e\n\u003cli data-section-id=\"1cp9qli\" data-start=\"1910\" data-end=\"1949\"\u003eType: Lithium-Ion Rechargeable Cell\u003c\/li\u003e\n\u003cli data-section-id=\"ptbtdz\" data-start=\"1950\" data-end=\"1966\"\u003eModel: 18650\u003c\/li\u003e\n\u003cli data-section-id=\"hip5oq\" data-start=\"1967\" data-end=\"1992\"\u003eNominal Voltage: 3.7V\u003c\/li\u003e\n\u003cli data-section-id=\"20yojr\" data-start=\"1993\" data-end=\"2022\"\u003eFull Charge Voltage: 4.2V\u003c\/li\u003e\n\u003cli data-section-id=\"7duzkj\" data-start=\"2023\" data-end=\"2054\"\u003eCapacity: 2000mAh – 2600mAh\u003c\/li\u003e\n\u003cli data-section-id=\"1ff1ank\" data-start=\"2055\" data-end=\"2141\"\u003eDischarge Rate: Up to 3C (variant dependent) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wnvuga\" data-start=\"2142\" data-end=\"2163\"\u003eSize: 18mm × 65mm\u003c\/li\u003e\n\u003cli data-section-id=\"amz0ak\" data-start=\"2164\" data-end=\"2183\"\u003eWeight: ~45–50g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2185\" data-end=\"2188\"\u003e\n\u003ch2 data-section-id=\"k0zlak\" data-start=\"2190\" data-end=\"2209\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2193\" data-end=\"2209\"\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2210\" data-end=\"2407\"\u003e\n\u003cli data-section-id=\"13p8uwv\" data-start=\"2210\" data-end=\"2259\"\u003eDIY battery packs (2S, 3S, 4S configurations)\u003c\/li\u003e\n\u003cli data-section-id=\"1q02707\" data-start=\"2260\" data-end=\"2295\"\u003eRobotics and automation systems\u003c\/li\u003e\n\u003cli data-section-id=\"vjv6lt\" data-start=\"2296\" data-end=\"2332\"\u003ePower banks and portable devices\u003c\/li\u003e\n\u003cli data-section-id=\"nf84so\" data-start=\"2333\" data-end=\"2368\"\u003eLED lighting and backup systems\u003c\/li\u003e\n\u003cli data-section-id=\"10ayqae\" data-start=\"2369\" data-end=\"2407\"\u003eSolar energy storage (small scale)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2409\" data-end=\"2412\"\u003e\n\u003ch2 data-section-id=\"1m4hh8c\" data-start=\"2414\" data-end=\"2443\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2417\" data-end=\"2443\"\u003eImportant Safety Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2444\" data-end=\"2635\"\u003e\n\u003cli data-section-id=\"f4mti0\" data-start=\"2444\" data-end=\"2487\"\u003eAlways use a \u003cstrong data-start=\"2459\" data-end=\"2485\"\u003eBMS\/protection circuit\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qbj1k9\" data-start=\"2488\" data-end=\"2537\"\u003eCharge using a \u003cstrong data-start=\"2505\" data-end=\"2535\"\u003eproper 4.2V Li-ion charger\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"68zwix\" data-start=\"2538\" data-end=\"2587\"\u003eAvoid short circuit, puncture, or overheating\u003c\/li\u003e\n\u003cli data-section-id=\"2wo46f\" data-start=\"2588\" data-end=\"2635\"\u003eDo not mix different capacities in one pack\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MakerBazar.in","offers":[{"title":"2200mAh \/ Pack of 1","offer_id":49567958925552,"sku":"1257833646","price":95.0,"currency_code":"INR","in_stock":false},{"title":"2200mAh \/ Box of 100","offer_id":49567958958320,"sku":"1257833646-100P","price":8999.0,"currency_code":"INR","in_stock":false},{"title":"2500mAh \/ Pack of 1","offer_id":49567959056624,"sku":"21164121","price":109.0,"currency_code":"INR","in_stock":false},{"title":"2500mAh \/ Box of 100","offer_id":49567959089392,"sku":"21164121-100P","price":9999.0,"currency_code":"INR","in_stock":false},{"title":"2600mAh \/ Pack of 1","offer_id":49567959122160,"sku":"828221153","price":125.0,"currency_code":"INR","in_stock":false},{"title":"2600mAh \/ Box of 100","offer_id":49567959154928,"sku":"828221153-100P","price":10999.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0088\/0056\/7392\/files\/Makerbazar_10.png?v=1776354168","url":"https:\/\/makerbazar.in\/products\/roofer-18650-3-7v-lithium-ion-rechargeable-battery","provider":"MakerBazar.in","version":"1.0","type":"link"}