Description:The power of the electrical machinery: 200W-250W; The capacity of the battery: 24V/12Ah; Charge time: 5-7 hours; Rotate the system: Roller chain turning; The greatest speed per hour: 20 kilos per hour; The top continues Cheng greatly: 15-25 kilometers; Input the voltage: AC110V-220V; The largest loading capacity : 90 kilograms; Steel rim: A round of aluminium wheel of steel wire ; Case and count : 450pcs/40"HQ