Package size 1640mm*620mm*1160mm Wheel base 1140mm Max load 75kg Max speed ≥28km/h Range ≥40km Electric consumption per 62 miles(per100km) ≤1.2kw/h Battery Type Fully sealed free maintenance lead-acid Capacity 10ah Standards voltage 12v*4 Motor Type Drum, brushless Rated output power 350w Torque 7n.m Efficiency ﹥80% Controller Insufficient voltage protection value point 31.5±1V Over current protection value point 13±1A Charger Input voltage AC 220V\DC59V or AC 110V\DC 59V Charging time 6-10h