1).Motor:350W/500W geared hub motor 2).Battery:36V /12AH Lead acid battery 48V13AH lithium battery 3)Charger Voltage:220V 50HZ 4).Wheel size:22''/20'' 5).Frame Material:Steel 6).Max loading:100kgs 7).Max speed:20km/h 8).Range:45km 9).Net weight:50kgs 8)Carton size: 88 x28 x 72cm 9).Packing:Export carton 10).Loading capacity:20' GP:104pcs/ 40' HQ:248pcs