{"product_id":"7s-29-4v-lithium-battery-equalizer-balance-board-for-18650-li-ion-battery-pack","title":"7S 29.4V Lithium Battery Equalizer Balance Board for 18650 Li-ion Battery Pack","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7S 29.4V Lithium Battery Equalizer Board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for balancing the voltage of seven lithium-ion battery cells or cell groups connected in series. It is suitable for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7S 18650 lithium-ion and lithium-polymer battery packs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with a nominal pack voltage of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25.9V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a maximum fully charged voltage of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e29.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDuring battery charging, small voltage differences can develop between individual cells. This equalizer board helps maintain more consistent voltage across the seven series-connected cell groups, supporting better battery-pack performance and reducing cell imbalance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt can be used in DIY rechargeable battery packs, electric bicycles, robotics projects, portable power systems, power tools, backup battery systems and other equipment operating with a 7S lithium battery configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is primarily a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecell-balancing or equalizer board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. A compatible BMS protection board may still be required for overcharge, over-discharge, overcurrent and short-circuit protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Connect the balance wires in the correct sequence, starting from the battery pack negative terminal. Incorrect wiring may damage the board or battery cells. Use cells of the same chemistry, capacity, voltage and condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLithium battery equalizer balance board\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBattery configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSupported battery chemistry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLithium-ion and lithium-polymer\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended cells\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18650 or compatible 3.7V lithium cells\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of series cell groups\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal pack voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 25.9V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum charged voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29.4V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum voltage per cell\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.2V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMain function\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCell-voltage balancing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnection type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBalance-wire connection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInstallation method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSolder connection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSuitable applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBattery packs, robotics, e-bikes, power tools and DIY electronics\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePackage quantity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 piece\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"MAJESTRONICZ","offers":[{"title":"Default Title","offer_id":47984985243806,"sku":null,"price":165.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9257\/2574\/files\/2000x2000_75.jpg?v=1784199519","url":"https:\/\/majestronicz.in\/products\/7s-29-4v-lithium-battery-equalizer-balance-board-for-18650-li-ion-battery-pack","provider":"MAJESTRONICZ","version":"1.0","type":"link"}