ItemSpecificationRemarkRated capacity20Ah0.33C rate discharge capacityRated capacity20AhInternal impedance≤1.6mΩNominal voltage3.2VCell weight0.7± 0.05kgStandard discharge conditionsConstant current10AEnd-of-charge voltage2.5VStandard charge conditionsConstant current5ACharge voltage3.55VMax continuous discharge current60ACycle life3000 cycles80% DOD(25± 2ºC)Operating temperatureCharging ambient temperature0~65ºCDischarging ambient temperature-20~65ºCStorage temperature-20~65ºCAppearanceWithout break, distortion, contamination, leakage