More details see specification:

Motor power :350W
Battery :12Ah 48V (Lithium battery)
Speed :20-25km /h
Charging time :6-8H
Drive System :Chain
Brake :Rear :front: disc  Rear: disc
Net weight :40kg
Tyre 3.0-4 Pneumatic                               Forks: Full suspension design
Packing sizes :98x35x46cm
Container Load :296pcs /40"HQ