ITEM NAME:4.2V 66mA Battery Balanced Charging Equalizer PCB Board for 3S 11.1V 12.6V J3Q2 4.2V 66mA Battery Balanced Charging Equalizer PCB Board for 3S 11.1V 12.6V J3Q2 Li-ion battery equalizing charge board for 3 series non-balanced lithium ion battery pack Used to balance the voltage and current during the battery charging process ensure all the battery pack full charged simultaneously Balanced Voltage: 4.2V, Balanced Current: 66mA Board Size: 26.4 X 19.7 X 2.2mm(L*W*H) color:blue This battery balanced charging board is specailly designed for 3 series non-balanced li-ion battery to balance the voltage and current during the battery charging process ensure all the battery pack full charged simultaneously. Solder Joint Description: B4 not to take B3 is connected to the positive terminal of the battery pack B2 Connect the battery 1 to the contacts in battery 2 B1 Connect the battery 2 to the contacts in battery 3 B - the negative of the battery pack; Material:Metal Package Contents: 1x battery balance board Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Find many great new & used options and get the best deals for 4.2V 66mA Battery Balanced Charging Equalizer PCB Board for 3S 11.1V 12.6V J3Q2 at the best online prices at shop2india!