48v 20ah lithium rear rack battery luggage rack battery

48v 20ah lithium rear rack battery for 48v 1000w electric bike lithium rear rack battery 48v 20ah Rear Carrier Style Battery specification: Model Junda-J0029 Chemistry LiNiCoMnO2 Nominal Voltage 48V Nominal Capacity 20Ah Weight Approx 5.5Kg Outer case rear rack case Dimension 73mm*150mm*360mm Standard Charge Constant Current 0.2C, Constant Voltage 54.6V 100mA Cut-off Fast Charge Constant Current 0.5CA, Constant Voltage 54.6V 100mA Cut-off Standard Discharge Constant Current 0.2C/End Voltage 39V Cycle Life 500 times with DOD80% Continuous Discharge Current 20A or customized Peak discharge current 60A or customized BMS function Over-Current Protection,Over-Discharge Protection, Over-Charge Protection,Short-Circuit Protection, Balance Storage Temperature Range Temperature: -10-40 Relative humidity:45-75% Pressure: 86-106KPa