{"product_id":"4s-18650-lithium-battery-protection-board-green-bms","title":"4S 18650 Lithium Battery Protection Board [Green]","description":"\u003ch2\u003e14.8V 18650 Lithium Battery Protection Module | BMS | 8A\/ 15A\/ 10A\/ 20A\/ 30A\/ 40A\u003c\/h2\u003e\n\u003cp data-end=\"880\" data-start=\"160\"\u003eThe \u003cstrong data-end=\"217\" data-start=\"164\"\u003e4S 18650 Lithium Battery Protection Board (Green)\u003c\/strong\u003e is a reliable Battery Management System (BMS) designed for \u003cstrong data-end=\"326\" data-start=\"277\"\u003e4-Series (4S) 18650 Lithium-ion battery packs\u003c\/strong\u003e. This BMS protects your battery pack against overcharge, over-discharge, overcurrent, and short-circuit conditions while maintaining balanced charging between cells for improved battery life and consistent performance. Available in multiple current ratings ranging from \u003cstrong data-end=\"671\" data-start=\"658\"\u003e8A to 40A\u003c\/strong\u003e, including different \u003cstrong data-end=\"709\" data-start=\"693\"\u003e20A variants\u003c\/strong\u003e, this protection board is suitable for DIY battery packs, portable power stations, solar energy storage, electric vehicles, robotics, and various industrial applications.\u003c\/p\u003e\n\u003chr data-end=\"885\" data-start=\"882\"\u003e\n\u003ch3 data-end=\"901\" data-start=\"887\" data-section-id=\"u0ybrq\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-end=\"1459\" data-start=\"903\"\u003e\n\u003cli data-end=\"967\" data-start=\"903\" data-section-id=\"3v3hec\"\u003eDesigned for \u003cstrong data-end=\"967\" data-start=\"918\"\u003e4S (4-Series) 18650 Lithium-ion battery packs.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1056\" data-start=\"968\" data-section-id=\"vaqnql\"\u003eAvailable in multiple current ratings: \u003cstrong data-end=\"1056\" data-start=\"1009\"\u003e8A, 10A, 15A, 20A (Type 1\/2\/3\/4), 30A ,40A.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1093\" data-start=\"1057\" data-section-id=\"o38860\"\u003eIntegrated cell balancing function.\u003c\/li\u003e\n\u003cli data-end=\"1117\" data-start=\"1094\" data-section-id=\"1v575rz\"\u003eOvercharge protection.\u003c\/li\u003e\n\u003cli data-end=\"1145\" data-start=\"1118\" data-section-id=\"1wtfh70\"\u003eOver-discharge protection.\u003c\/li\u003e\n\u003cli data-end=\"1170\" data-start=\"1146\" data-section-id=\"1d9mb58\"\u003eOvercurrent protection.\u003c\/li\u003e\n\u003cli data-end=\"1197\" data-start=\"1171\" data-section-id=\"8idazr\"\u003eShort-circuit protection.\u003c\/li\u003e\n\u003cli data-end=\"1229\" data-start=\"1198\" data-section-id=\"81xdrc\"\u003eHigh-efficiency MOSFET design.\u003c\/li\u003e\n\u003cli data-end=\"1275\" data-start=\"1230\" data-section-id=\"1bpmrm0\"\u003eStable charging and discharging performance.\u003c\/li\u003e\n\u003cli data-end=\"1312\" data-start=\"1276\" data-section-id=\"1a7khcp\"\u003eCompact and lightweight PCB design.\u003c\/li\u003e\n\u003cli data-end=\"1352\" data-start=\"1313\" data-section-id=\"1wq3jrt\"\u003eImproves battery life and performance.\u003c\/li\u003e\n\u003cli data-end=\"1403\" data-start=\"1353\" data-section-id=\"ka9osf\"\u003eEasy to install and integrate into battery packs.\u003c\/li\u003e\n\u003cli data-end=\"1459\" data-start=\"1404\" data-section-id=\"t1x9d7\"\u003eSuitable for DIY and commercial battery pack assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1464\" data-start=\"1461\"\u003e\n\u003ch3 data-end=\"1492\" data-start=\"1466\" data-section-id=\"zjxypn\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"2228\" data-start=\"1494\"\u003e\n\u003cthead data-end=\"1523\" data-start=\"1494\"\u003e\n\u003ctr data-end=\"1523\" data-start=\"1494\"\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"1506\" data-start=\"1494\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"md\" data-end=\"1523\" data-start=\"1506\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"2228\" data-start=\"1552\"\u003e\n\u003ctr data-end=\"1602\" data-start=\"1552\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1567\" data-start=\"1552\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-end=\"1602\" data-start=\"1567\" data-col-size=\"md\"\u003eBattery Management System (BMS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1642\" data-start=\"1603\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1618\" data-start=\"1603\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd data-end=\"1642\" data-start=\"1618\" data-col-size=\"md\"\u003eLithium-ion (Li-ion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1693\" data-start=\"1643\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1667\" data-start=\"1643\"\u003eBattery Configuration\u003c\/td\u003e\n\u003ctd data-end=\"1693\" data-start=\"1667\" data-col-size=\"md\"\u003e4S (4 Cells in Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1742\" data-start=\"1694\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1715\" data-start=\"1694\"\u003eCompatible Battery\u003c\/td\u003e\n\u003ctd data-end=\"1742\" data-start=\"1715\" data-col-size=\"md\"\u003e18650 Lithium-ion Cells\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1778\" data-start=\"1743\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1769\" data-start=\"1743\"\u003eNominal Battery Voltage\u003c\/td\u003e\n\u003ctd data-end=\"1778\" data-start=\"1769\" data-col-size=\"md\"\u003e14.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1812\" data-start=\"1779\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1803\" data-start=\"1779\"\u003eFully Charged Voltage\u003c\/td\u003e\n\u003ctd data-end=\"1812\" data-start=\"1803\" data-col-size=\"md\"\u003e16.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1932\" data-start=\"1813\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1841\" data-start=\"1813\"\u003eCurrent Ratings Available\u003c\/td\u003e\n\u003ctd data-end=\"1932\" data-start=\"1841\" data-col-size=\"md\"\u003e8A, 10A, 15A (Type 1), 20A (Type 1), 20A (Type 2), 20A (Type 3), 20A (Type 4), 30A, 40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1959\" data-start=\"1933\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1952\" data-start=\"1933\"\u003eBalance Function\u003c\/td\u003e\n\u003ctd data-end=\"1959\" data-start=\"1952\" data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1991\" data-start=\"1960\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1984\" data-start=\"1960\"\u003eOvercharge Protection\u003c\/td\u003e\n\u003ctd data-end=\"1991\" data-start=\"1984\" data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2027\" data-start=\"1992\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2020\" data-start=\"1992\"\u003eOver-discharge Protection\u003c\/td\u003e\n\u003ctd data-end=\"2027\" data-start=\"2020\" data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2060\" data-start=\"2028\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2053\" data-start=\"2028\"\u003eOvercurrent Protection\u003c\/td\u003e\n\u003ctd data-end=\"2060\" data-start=\"2053\" data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2117\" data-start=\"2096\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2108\" data-start=\"2096\"\u003ePCB Color\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2117\" data-start=\"2108\"\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2147\" data-start=\"2118\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2134\" data-start=\"2118\"\u003eMounting Type\u003c\/td\u003e\n\u003ctd data-end=\"2147\" data-start=\"2134\" data-col-size=\"md\"\u003ePCB Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2181\" data-start=\"2148\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2168\" data-start=\"2148\"\u003eBalance Connector\u003c\/td\u003e\n\u003ctd data-end=\"2181\" data-start=\"2168\" data-col-size=\"md\"\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2228\" data-start=\"2182\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2196\" data-start=\"2182\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-end=\"2228\" data-start=\"2196\" data-col-size=\"md\"\u003e4S Lithium-ion 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\u003cblockquote data-end=\"2303\" data-start=\"2230\"\u003e\n\u003cp data-end=\"2303\" data-start=\"2232\"\u003e\u003cstrong data-end=\"2241\" data-start=\"2232\"\u003eNote:\u003c\/strong\u003e Continuous discharge current depends on the selected variant.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-end=\"2308\" data-start=\"2305\"\u003e\n\u003ch3 data-end=\"2324\" data-start=\"2310\" data-section-id=\"c3mln3\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-end=\"3207\" data-start=\"2326\"\u003e\n\u003cli data-end=\"2359\" data-start=\"2326\" data-section-id=\"cq6tho\"\u003eDIY 18650 Battery Pack Assembly..\u003c\/li\u003e\n\u003cli data-end=\"2397\" data-start=\"2360\" data-section-id=\"wfuslu\"\u003eLithium-ion Battery Pack Protection.\u003c\/li\u003e\n\u003cli data-end=\"2426\" data-start=\"2398\" data-section-id=\"1snphrc\"\u003eRechargeable Battery Packs.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2466\" data-start=\"2453\" data-section-id=\"m96hc2\"\u003ePower Banks.\u003c\/li\u003e\n\u003cli data-end=\"2497\" data-start=\"2467\" data-section-id=\"wb0u6e\"\u003eSolar Energy Storage Systems.\u003c\/li\u003e\n\u003cli data-end=\"2602\" data-start=\"2563\" data-section-id=\"13o4rim\"\u003eBattery Energy Storage Systems (BESS).\u003c\/li\u003e\n\u003cli data-end=\"2631\" data-start=\"2603\" data-section-id=\"11xczuz\"\u003eUPS Backup Battery Systems.\u003c\/li\u003e\n\u003cli data-end=\"2665\" data-start=\"2632\" data-section-id=\"1au2av9\"\u003eEmergency Backup Power Supplies.\u003c\/li\u003e\n\u003cli data-end=\"2695\" data-start=\"2666\" data-section-id=\"1ijd24\"\u003eElectric Bicycles (E-Bikes).\u003c\/li\u003e\n\u003cli data-end=\"2715\" data-start=\"2696\" data-section-id=\"1ninhl7\"\u003eElectric Scooters.\u003c\/li\u003e\n\u003cli data-end=\"2738\" data-start=\"2716\" data-section-id=\"11noe16\"\u003eElectric Skateboards.\u003c\/li\u003e\n\u003cli data-end=\"2761\" data-start=\"2739\" data-section-id=\"1kctssa\"\u003eElectric Wheelchairs.\u003c\/li\u003e\n\u003cli data-end=\"2785\" data-start=\"2762\" data-section-id=\"qtnlkc\"\u003eElectric Ride-on Toys.\u003c\/li\u003e\n\u003cli data-end=\"2810\" data-start=\"2786\" data-section-id=\"fyui5o\"\u003eBattery Powered Robots.\u003c\/li\u003e\n\u003cli data-end=\"2843\" data-start=\"2811\" data-section-id=\"134qmcq\"\u003eRobotics \u0026amp; Automation Projects.\u003c\/li\u003e\n\u003cli data-end=\"2870\" data-start=\"2844\" data-section-id=\"egrlyh\"\u003eArduino Battery Projects.\u003c\/li\u003e\n\u003cli data-end=\"2922\" data-start=\"2901\" data-section-id=\"1uo8q81\"\u003eIoT Battery Systems.\u003c\/li\u003e\n\u003cli data-end=\"2950\" data-start=\"2923\" data-section-id=\"1gf2y31\"\u003eCCTV Backup Power Systems.\u003c\/li\u003e\n\u003cli data-end=\"2980\" data-start=\"2951\" data-section-id=\"1i8sxfn\"\u003eLED Lighting Backup Systems.\u003c\/li\u003e\n\u003cli data-end=\"3007\" data-start=\"2981\" data-section-id=\"1htbpy3\"\u003eMedical Portable Devices.\u003c\/li\u003e\n\u003cli data-end=\"3034\" data-start=\"3008\" data-section-id=\"phbu4o\"\u003eIndustrial Battery Packs.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3149\" data-start=\"3121\" data-section-id=\"gesd6e\"\u003ePortable DC Power Supplies.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3207\" data-start=\"3181\" data-section-id=\"1lwlrpn\"\u003eDIY Electronics Projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3212\" data-start=\"3209\"\u003e\n\u003ch3 data-end=\"3227\" data-start=\"3214\" data-section-id=\"v3nfd\"\u003ePrecautions\u003c\/h3\u003e\n\u003cul data-end=\"3738\" data-start=\"3229\"\u003e\n\u003cli data-end=\"3287\" data-start=\"3229\" data-section-id=\"1o8o4rk\"\u003eUse only with \u003cstrong data-end=\"3286\" data-start=\"3245\"\u003e4S (4-cell) Lithium-ion battery packs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-end=\"3324\" data-start=\"3288\" data-section-id=\"mb4n8f\"\u003eDo not use with LiFePO4 batteries.\u003c\/li\u003e\n\u003cli data-end=\"3373\" data-start=\"3325\" data-section-id=\"1lifn0b\"\u003eConnect balance wires in the correct sequence.\u003c\/li\u003e\n\u003cli data-end=\"3420\" data-start=\"3374\" data-section-id=\"13xb471\"\u003eVerify battery polarity before installation.\u003c\/li\u003e\n\u003cli data-end=\"3484\" data-start=\"3421\" data-section-id=\"1yqa47e\"\u003eSelect the appropriate current rating according to your load.\u003c\/li\u003e\n\u003cli data-end=\"3538\" data-start=\"3485\" data-section-id=\"1ixt1hh\"\u003eNever exceed the rated current of the selected BMS.\u003c\/li\u003e\n\u003cli data-end=\"3599\" data-start=\"3539\" data-section-id=\"16oh2bg\"\u003eUse matched battery cells with equal capacity and voltage.\u003c\/li\u003e\n\u003cli data-end=\"3645\" data-start=\"3600\" data-section-id=\"x5c8md\"\u003ePrevent short circuits during installation.\u003c\/li\u003e\n\u003cli data-end=\"3691\" data-start=\"3646\" data-section-id=\"ht4yh\"\u003eKeep away from moisture and excessive heat.\u003c\/li\u003e\n\u003cli data-end=\"3738\" data-start=\"3692\" data-section-id=\"2rgl3y\"\u003eEnsure proper insulation after installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MakerBazar.in","offers":[{"title":"8A","offer_id":48251051409648,"sku":"118615826","price":139.0,"currency_code":"INR","in_stock":true},{"title":"10A","offer_id":48251051442416,"sku":"888271009","price":145.0,"currency_code":"INR","in_stock":true},{"title":"15A (Type 1)","offer_id":48251051475184,"sku":"114512168","price":199.0,"currency_code":"INR","in_stock":true},{"title":"20A (Type 1)","offer_id":48251051507952,"sku":"4339021","price":125.0,"currency_code":"INR","in_stock":true},{"title":"20A (Type 2)","offer_id":48251051540720,"sku":"622011475","price":125.0,"currency_code":"INR","in_stock":true},{"title":"20A (Type 3)","offer_id":49857679360240,"sku":"2349279767","price":219.0,"currency_code":"INR","in_stock":true},{"title":"30A","offer_id":48251051573488,"sku":"304358","price":199.0,"currency_code":"INR","in_stock":false},{"title":"40A","offer_id":48251051606256,"sku":"30681989","price":99.0,"currency_code":"INR","in_stock":false},{"title":"20A (Type 4)","offer_id":50024083063024,"sku":null,"price":139.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0088\/0056\/7392\/files\/4S_18650_Lithium_Battery_Protection_Board_11-makerbazar.png?v=1784010691","url":"https:\/\/makerbazar.in\/products\/4s-18650-lithium-battery-protection-board-green-bms","provider":"MakerBazar.in","version":"1.0","type":"link"}