BM4Y 3.87V 4420mAh New Battery Xiaomi POCO F3 M2012K11AG / RedmiK40 M2012K11AC
Xiaomi POCO F3 M2012K11AG / RedmiK40 M2012K11AC. Capacity 4420mAh. Usually not. Don’t worry, this is normal. Battery TypeLi-ion. Tablet battery has 6 months warranty, the laptop battery has 12 months warranty.