4S 4.2v li-ion lipo balancer board balncing board full charge battery balance board with free shipping with Equilibrium

Parameter:

Size: L25mm*W22mm

Balancer is just a Auxiliary function, The balancing means when the battery charging,each series battery need with the same voltage.when ONE cell voltage get 4.2V ,the other cells not, the first cell voltage will discharge to wait the other cells rising to the same level.

Note:

battery internal resistance differences within 5 milliohm, voltage within 0.03 V voltage, capacity vary within 50 ma

Cut-off Voltage is according to the BMS setting.

3S Cnnection instruction:

B4+ Without connection

B3+ Connect battery positive;

B2+ Connect the point between battery 1 and battery 2;

B1+ Connect the point between battery 2 and battery 3;

B- Connect battery negative;

4S Cnnection instruction:

B4+ Connect battery positive;

B3+ Connect the point between battery 1 and battery 2;

B2+ Connect the point between battery 2 and battery 3;

B1+ Connect the point between battery 3 and battery 4

B- Connect battery negative;