Redmi Note 10 Pro (BN53) Lithium-ion Polymer Replacement Battery The BN53 lithium-ion polymer replacement battery is engineered to restore strong, reliable power to compatible Xiaomi smartphones, delivering long-lasting performance with safe, stable charging for everyday use. Specifications Model: BN53 Battery Type: Lithium-ion Polymer (Li-Polymer) Capacity: 4920mAh (Min) / 5020mAh (Typ) Nominal Voltage: 3.87V Charging Limit Voltage: 4.45V Compatible Devices: Xiaomi Redmi Note 10 Pro Safety Features: Do not disassemble, puncture, crush, or burn