Features:

1) high-accuracy voltage detection circuit;

2) terminal of the charger using high voltage device;

3) Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit);

4) MOS transistor can control the battery charge and discharge;

5) low standby current consumption.

4S LI-ION BMS ParameterS:

BMS solder instruction:

B+  connected battery positive;

B1  the connect point between battery 1 and battery 2

B2  connect the point between battery2 and battery 3 

B3  Connect the point between battery 3 and battery 4

B- connect to battery negative end 

P- + connection charge / discharge positive;

P-  connection charge / discharge negative

Note :B-,B+,P+,P- should be connected with thick wires