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4S 18650 Lithium Battery Charging Balancing Board Polymer Battery Protection Board 11.1- 33.6V DC

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                  Features:
                   
                  – 4.2V equalization voltage, equalization current is 66mA;
                  – Product size: 26*20.5*2.4mm
                   
                  Solder Joint Description:
                   
                  B4: Connect the battery pack positive
                  B3: Connect the contacts in battery 1 and battery 2
                  B2: Connect the contacts in battery 2 and battery 3
                  B1: Connect the contacts in battery 3 and battery 4
                  B – : Connect the negative pole of the battery pack;
                   
                  Package Included:
                   
                  1 x Balancing Boards for 4S 18650 Lithium Battery


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