BM4Y Battery for K40 K40 PRO POCO F3 M2012K11AG Mobile Phone BM4Y 4520mAh
Capacity: 4520mAh. For Poco F3, Poco K40, Poco K40 Pro. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.