Rooha 3S 4SLi-ion Lithium Battery Charger BMS Protection Board Module 40A 60A

Function: Applicable to lithium batteries with a nominal voltage of 3.7V and a full voltage of 4.2V (including 1 8 6 5 0 26650 and polymer lithium batteries there is no limitation on size) Specification: Charging voltage: 12.6V - 13.6V Continuous discharge current (upper limit): 40A (if the heat dissipation environment is not good please reduce the load current) Continuous charging current (upper limit): 20A Enhanced version: suitable for electric drills with starting current below 80A and power below 130W. Precautions: Note 1: Successfully starting the electric drill requires 3 15C-20C power batteries or 6 10C-15C power batteries (ordinary cannot start the electric drill! ! ! ); 0V and 12.6V connecting lines use 3 square millimeters Copper wire above (can t use nickel strips! ! !). Note 2: Strictly connect 0V 4.2V 8.4V 12.6V according to the diagram and do not intentionally short-circuit. Note 3: When charging the battery it is normal for the 430 resistor to heat up indicating that the equalization circuit is working; if the 430 resistor also heats up when the battery is not charged please check whether the wiring is wrong. Package Included： Battery protection board*1