Smart balance electric vehicles M4

Scooter Weight:18.6KG Packing Carton:60*42*60 CM  Weight:25KG Battery Type:36V 6.6BAH Lithium Battery Motor Power: 2*500W MAX.Range:20KM Continue Working Time:2-3 hours Full Charged Time:4-6 hours Life of battery:more then 1000 cycles MAX.Load weight:120 KG MAX.Driving Speed:12km/h Max.Climbing angle:<15 degree Tire/wheel:8 inch Rubber Tire