7mph           7miles      200W*2        8"
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       Max supported weight : 220 lbs /100 kgs                          
       Max speed : Up to 7 mph / 12 km/h
       Max Distance :  Up to 7 miles /11.3 km                 
       Battery Capacity : 4.0 Ah (20 Cell)
       Battery type : Rechargeable Lithium-ion Battery
       Charger : 42V/ 1.5A       Charging time : Up to 4 h                                            
       Motor Power : 200Wx2               Max Incline : 15°