{"product_id":"chenjiang-cj-3-7v-18650-li-ion-rechargeable-battery","title":"Chengjiang CJ 3.7V 18650 Li-Ion Rechargeable Battery","description":"\u003ch2 data-start=\"114\" data-end=\"189\"\u003eCJ 18650 Lithium-Ion Battery 3.7V – Rechargeable Cell for DIY \u0026amp; Power Packs\u003c\/h2\u003e\n\u003cp data-start=\"224\" data-end=\"549\"\u003eThe \u003cstrong data-start=\"228\" data-end=\"285\"\u003eChenjiang (CJ) 3.7V 18650 Li-Ion Rechargeable Battery\u003c\/strong\u003e is a reliable cylindrical lithium-ion cell designed for \u003cstrong data-start=\"342\" data-end=\"428\"\u003eportable electronics, DIY battery packs, robotics, and energy storage applications\u003c\/strong\u003e. Built using \u003cstrong data-start=\"442\" data-end=\"471\"\u003eNMC lithium-ion chemistry\u003c\/strong\u003e, it provides a good balance of \u003cstrong data-start=\"503\" data-end=\"548\"\u003eenergy density, stability, and cycle life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"551\" data-end=\"883\"\u003eTypically available in capacities ranging from \u003cstrong data-start=\"598\" data-end=\"640\"\u003e1200mAh to 50000mAh (variant dependent)\u003c\/strong\u003e, this battery delivers stable output voltage and consistent performance for everyday electronics. It supports multiple charge-discharge cycles, making it ideal for \u003cstrong data-start=\"805\" data-end=\"844\"\u003ereusable and long-term applications\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"885\" data-end=\"1028\"\u003eIts standard \u003cstrong data-start=\"898\" data-end=\"949\"\u003e18650 form factor (18mm diameter × 65mm length)\u003c\/strong\u003e ensures compatibility with battery holders, DIY packs, and commercial devices.\u003c\/p\u003e\n\u003chr data-start=\"1030\" data-end=\"1033\"\u003e\n\u003ch2 data-section-id=\"1j5qwet\" data-start=\"1035\" data-end=\"1054\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1038\" data-end=\"1054\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1055\" data-end=\"1308\"\u003e\n\u003cli data-section-id=\"l855mr\" data-start=\"1055\" data-end=\"1104\"\u003eRechargeable lithium-ion cell (NMC chemistry)\u003c\/li\u003e\n\u003cli data-section-id=\"1qggnz5\" data-start=\"1105\" data-end=\"1151\"\u003eNominal voltage: 3.7V (4.2V fully charged)\u003c\/li\u003e\n\u003cli data-section-id=\"q7uhqk\" data-start=\"1152\" data-end=\"1187\"\u003eStandard 18650 cylindrical size\u003c\/li\u003e\n\u003cli data-section-id=\"1p24waw\" data-start=\"1188\" data-end=\"1229\"\u003eGood energy density and stable output\u003c\/li\u003e\n\u003cli data-section-id=\"1h8w554\" data-start=\"1230\" data-end=\"1268\"\u003eSuitable for battery pack assembly\u003c\/li\u003e\n\u003cli data-section-id=\"4atf9h\" data-start=\"1269\" data-end=\"1308\"\u003eMultiple capacity options available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1310\" data-end=\"1313\"\u003e\n\u003ch2 data-section-id=\"1vwarx2\" data-start=\"1315\" data-end=\"1349\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1318\" data-end=\"1349\"\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=\"1351\" data-end=\"1645\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1351\" data-end=\"1399\"\u003e\n\u003ctr data-start=\"1351\" data-end=\"1399\"\u003e\n\u003cth data-start=\"1351\" data-end=\"1365\" data-col-size=\"sm\" class=\"\"\u003e\u003cstrong data-start=\"1353\" data-end=\"1364\"\u003eVariant\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"1365\" data-end=\"1380\" data-col-size=\"sm\" class=\"\"\u003e\u003cstrong data-start=\"1367\" data-end=\"1379\"\u003eCapacity\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"1380\" data-end=\"1399\" data-col-size=\"sm\" class=\"\"\u003e\u003cstrong data-start=\"1382\" data-end=\"1397\"\u003eTypical Use\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1446\" data-end=\"1645\"\u003e\n\u003ctr data-start=\"1446\" data-end=\"1498\"\u003e\n\u003ctd data-start=\"1446\" data-end=\"1456\" data-col-size=\"sm\"\u003e1200mAh\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1456\" data-end=\"1471\"\u003eLow capacity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1471\" data-end=\"1498\"\u003eToys, small electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1499\" data-end=\"1548\"\u003e\n\u003ctd data-start=\"1499\" data-end=\"1509\" data-col-size=\"sm\"\u003e1800mAh\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1509\" data-end=\"1518\"\u003eMedium\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1518\" data-end=\"1548\"\u003eDIY projects, backup power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1549\" data-end=\"1595\"\u003e\n\u003ctd data-start=\"1549\" data-end=\"1559\" data-col-size=\"sm\"\u003e2000mAh\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1559\" data-end=\"1570\"\u003eStandard\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1570\" data-end=\"1595\"\u003eGeneral-purpose usage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1596\" data-end=\"1645\"\u003e\n\u003ctd data-start=\"1596\" data-end=\"1611\" data-col-size=\"sm\"\u003e2200–2600mAh\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1611\" data-end=\"1618\"\u003eHigh\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1618\" data-end=\"1645\"\u003eRobotics, battery packs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1696\" data-end=\"1699\"\u003e\n\u003ch2 data-section-id=\"2lppn4\" data-start=\"1701\" data-end=\"1736\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1704\" data-end=\"1722\"\u003eSpecifications\u003c\/strong\u003e \u003cem data-start=\"1723\" data-end=\"1734\"\u003e(typical)\u003c\/em\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1737\" data-end=\"2036\"\u003e\n\u003cli data-section-id=\"1cp9qli\" data-start=\"1737\" data-end=\"1776\"\u003eType: Lithium-Ion Rechargeable Cell\u003c\/li\u003e\n\u003cli data-section-id=\"ptbtdz\" data-start=\"1777\" data-end=\"1793\"\u003eModel: 18650\u003c\/li\u003e\n\u003cli data-section-id=\"hip5oq\" data-start=\"1794\" data-end=\"1819\"\u003eNominal Voltage: 3.7V\u003c\/li\u003e\n\u003cli data-section-id=\"20yojr\" data-start=\"1820\" data-end=\"1849\"\u003eFull Charge Voltage: 4.2V\u003c\/li\u003e\n\u003cli data-section-id=\"t7e8vl\" data-start=\"1850\" data-end=\"1876\"\u003eCut-off Voltage: ~2.5V\u003c\/li\u003e\n\u003cli data-section-id=\"dk11w2\" data-start=\"1877\" data-end=\"1908\"\u003eCapacity: 1200mAh – 5000mAh\u003c\/li\u003e\n\u003cli data-section-id=\"v0djf8\" data-start=\"1909\" data-end=\"1934\"\u003eChemistry: NMC Li-ion\u003c\/li\u003e\n\u003cli data-section-id=\"r2c1m2\" data-start=\"1935\" data-end=\"2014\"\u003eCycle Life: ~300–500 cycles (typical) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wnvuga\" data-start=\"2015\" data-end=\"2036\"\u003eSize: 18mm × 65mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2038\" data-end=\"2041\"\u003e\n\u003ch2 data-section-id=\"k0zlak\" data-start=\"2043\" data-end=\"2062\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2046\" data-end=\"2062\"\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2063\" data-end=\"2236\"\u003e\n\u003cli data-section-id=\"10y1ns0\" data-start=\"2063\" data-end=\"2102\"\u003eDIY battery packs (2S, 3S, 4S etc.)\u003c\/li\u003e\n\u003cli data-section-id=\"ias5b6\" data-start=\"2103\" data-end=\"2118\"\u003ePower banks\u003c\/li\u003e\n\u003cli data-section-id=\"1tfoexz\" data-start=\"2119\" data-end=\"2147\"\u003eRobotics and IoT devices\u003c\/li\u003e\n\u003cli data-section-id=\"wklx9p\" data-start=\"2148\" data-end=\"2172\"\u003eLED lighting systems\u003c\/li\u003e\n\u003cli data-section-id=\"zp06ne\" data-start=\"2173\" data-end=\"2197\"\u003ePortable electronics\u003c\/li\u003e\n\u003cli data-section-id=\"10ayqae\" data-start=\"2198\" data-end=\"2236\"\u003eSolar energy storage (small scale)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2238\" data-end=\"2241\"\u003e\n\u003ch2 data-section-id=\"1q4u468\" data-start=\"2243\" data-end=\"2265\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2246\" data-end=\"2265\"\u003eImportant Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2266\" data-end=\"2462\"\u003e\n\u003cli data-section-id=\"ym2a5j\" data-start=\"2266\" data-end=\"2323\"\u003eUse with proper \u003cstrong data-start=\"2284\" data-end=\"2310\"\u003eBMS\/protection circuit\u003c\/strong\u003e for safety\u003c\/li\u003e\n\u003cli data-section-id=\"15kt4qp\" data-start=\"2324\" data-end=\"2364\"\u003eAvoid overcharging or deep discharge\u003c\/li\u003e\n\u003cli data-section-id=\"1b7va6s\" data-start=\"2365\" data-end=\"2401\"\u003eDo not short circuit or puncture\u003c\/li\u003e\n\u003cli data-section-id=\"i2fs83\" data-start=\"2402\" data-end=\"2462\"\u003eCharge using a \u003cstrong data-start=\"2419\" data-end=\"2460\"\u003ededicated Li-ion charger (4.2V CC\/CV)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MakerBazar.in","offers":[{"title":"2000mAh \/ Pack of 1","offer_id":49564128149744,"sku":"2287292541","price":75.0,"currency_code":"INR","in_stock":true},{"title":"2000mAh \/ Box of 100","offer_id":49567962693872,"sku":"2287292541-100P","price":6999.0,"currency_code":"INR","in_stock":true},{"title":"2200mAh \/ Pack of 1","offer_id":49564128182512,"sku":"2287292543","price":85.0,"currency_code":"INR","in_stock":true},{"title":"2200mAh \/ Box of 100","offer_id":49567962726640,"sku":"2287292543-100P","price":7899.0,"currency_code":"INR","in_stock":true},{"title":"2600mAh \/ Pack of 1","offer_id":49564128215280,"sku":"2287292545","price":125.0,"currency_code":"INR","in_stock":true},{"title":"2600mAh \/ Box of 100","offer_id":49567962759408,"sku":"2287292545-100P","price":9999.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0088\/0056\/7392\/files\/18650-3-7v-lithium-ion-cell-2000mah-cj-1000x1000.webp?v=1776256300","url":"https:\/\/makerbazar.in\/products\/chenjiang-cj-3-7v-18650-li-ion-rechargeable-battery","provider":"MakerBazar.in","version":"1.0","type":"link"}