Get a spare 48v 10.5 AH battery for your so you can take it with you.Powered by Samsung ™Model Name: Beluga Seat Post BatteryBattery Type: Samsung Lithium BatteryBattery Capacity: 48V 10.5AhDimension: Length- 700mm Diameter Φ56mmWeight: 6.85 lbsOnly compatible with Beluga.All accessories can be used for Qualisports ebikes only, we do not accept any return or refund for wrong purchase.