Package size 1700mm?20mm?070mm Wheel base 1230mm Max load 100kg Max speed ≥45km/h Range ≥40km Electric consumption per 62 miles(per100km) ≤2.5kw.h Battery Type Fully sealed free maintenance lead-acid Capacity 20Ah Standards Voltage 12v? Motor Type Drum, brushless Rated output power 500W ( 1000W is optional) Torque 11N.m Efficiency ﹥82% Controller Insufficient voltage protection value point 42±1v Over current protection value point 25±1A Charger Input \ output voltage AC 220V\DC59V or AC 110V\DC 59V