Specification: 1) Model number: OS-GC508 2) Battery capacity: 28Ah, 3X12V 3) Battery input voltage: 110 -220V 4) Motor power: 500W 5) Max. speed: 20KM 6) Range: 30KM 7) Maximum load: 120kg 8) Brakes: rear wheel by disc brake 9) Charging period: 6 -8hours 10) Transmission: chain driven 11)Product Size:153x67x151cm Carton size: 147x72X53cm Container Load: 48pcs/20ft container