... )3.much safety,no explode4.CE,ROHS,ETC 5.low self discharge rate MaterialABS,aluminium alloyZN-108Weight4.2KgBattery TypeLi-polymer batteryNominal Capacity10AHNominal Voltage48Vinternal ... ΩMaximum charge voltage54.6VDischarge cut-off voltage39VMaximum charge current2AMaximum continuous discharge current10AMaximum discharge current15Asizeheight:75.0mmwidth:155.0mmlenghth:300.0mmcharging methodCC/CV ...