Kingsong KS-X1 350Wh, 280W 

Battery:                          LG

Electric Motor Power:  350W

Battery Capacity:         280Wh

Voltage:                        37V

Input Current:               2.5A

Max Speed:                  18.6MPH (30kmh)

Range:                          15.5Miles (25km)

Emgine Size:               8.5inches  
Unit Weight:                 30.9lbs (14.kg)

Dimension:                  42.5", 16.9", 44.9" (1080,430,1140mm)

Folding size:                42.5", 16.9", 19.3" (1080,430,490mm)

Warranty: Motor, PCB, Battery 1 year

 Please watch unboxing video