





Basic Characteristics Weight ≤ 4.1 kg Working temperature Charge Temperature 0~45°C Discharge Temperature -20~65°C Retention of charge (store in one month)≥95%Technical Data Rated Voltage 36V Rated Capacity C1≥ 21Ah Battery Resistance≤ 100mΩ Charge Way of Charge CC/CV(Constant Current;Constant Voltage) Standard Charge Current2A Max Charge Current 5A Max Charge Voltage 42V Cell OverCharge Protection Voltage4.2V/Cell Discharge Continouns Discharge Current 20A can be customized Peak Discharge Current 55A can be customized Discharge Cut-off Voltage 30V Cell Overdischarge Protection Voltage3.0V/cell Ratio Discharge 1C >96%C1 2C >93%C1 3C >90%C1 Cycle Life≥ 800 Cycles




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