Description:The power of the electrical machinery: 350W/500W; The capacity of the battery: 3PCS 12V/17Ah; Charge time: 5-7 hours; Charge the number of times : About 300 times; The charger inputs the voltage: AC110-220V; The greatest speed per hour: 28 kilos per hour; The greatest journey : 30-35 kilometers; The largest loading capacity : 120kg; Rotate: Roller chain ; Case and count : 190pcs/40" HQ