Specification Parameter36 V15Ah48 v 15ahEnergy Capacty540Watt Hours720Watt HoursComposed Type 10Series 6Parallels 10S6P13Series 6Parallels 13S6PBattery Pack CellBrand 18650 2500mah 10A 3C CellBrand 18650 2500mah 10A 3C CellBuilt in BMS20amp30AmpFit Motor Power0 500w0 1000WRiding Mileage32 54km36 51KMCharge Current2 3A2 3ACharge Cut off Voltage42V54 6VDischarge Cut off Voltage30V39VBattery Weight3 2KG4 1KGBattery Charger2A2ADimensions190 125 70MM245 125 70MMCharge Temperature0 45 degree0 45 degreeDischarge Temperature 20 65 degree 20 65 degreeCycle Life 80 Capacity after 1000Cycles 80 Capacity after 1000CyclesParameter52V20Ah48 20AH36 20AHNominal Capacity20ah20ah20ahNominal Voltage52V48V36VEnergy Capacity1040 Watt Hours960 Watt Hours720 Watt HoursComposed Type14Series 8Parallels13Series 8Parallels10Series 8ParallelsBattery Pack CellBrand 18650 2500mah 10A CellBrand 18650 2500mah 10A CellBrand 18650 2500mah 10A CellBuilt in BMS40Amp50Amp20AmpFit Motor Power48V52V0 1500W48V 0 1800W36V 0 750WRiding Mileage41 62km42 57km43 72kmCharge Current2 5A2 5A2 5ACharge Cut off Voltage58 8V54 6V42VDischargeCut 0ff Voltage42V39V30VBattery Weight5 8KG5 2KG4 3KGBattery Charger2 5A2 5A3ACharging Time9H9H7 6HDimensions260 160 70mm245 160 70mm190 160 70mmCharge Temperature0 45degree0 45degree0 45degreeDischarge Temperature 20 65degree0 45degree0 45degreeCycle Life100010001000Features 1 Factory Direct Store We assemble all batteries in our own factory never use cheap cell pack sell at lowest