Measurement:1520*700*1110mm(L*W*H) Weight:70ks(containing battery) Wheelbase:1020mm Rear wheel distance:570mm Max noise:less than 65dB(A) Max speed(forward/backward):15km/6km Max mileage:55kms Power consumption per 100kms:less than 2km/h Max load:140kgs F&R wheel diameter:420mm Brake system:electric&hand brake Controller specification: Over current rate:15a Under current rate:42v Outputcurrent:7a Charging time:3-8hrs Gear shift:switch switch Motor specification: Brushless gear motor rated power:250w rated rpm:200rpm rated voltage:48v rated efficency:more than 80% rated output torque:48N.m driven style:single motor battery specification: type:lead-acid battery capability:12v15ah*4 voltage:48v charger:DC48V/5A