Battery parameters: Nominal voltage: 3.2 V Nominal capacity: 25 Ah Dimensions: 27 mm (thickness) x 70 mm (width) x 180 mm (length including pole) Internal resistance: about 1 mOhm Weight: about 0.68 kg Charging and discharging standard: constant current and constant voltage (CC / CV) Charging upper limit voltage: 3.65 V Lower discharge limit voltage: 2.3 V Large charging current: 1C (0.5C recommended) Large continuous discharge: 5C Instant large discharge: 8C Life cycle: more than 2000 times