Package size 1730mm*1080mm*660mm Wheel base 1280mm Max load 100kg Max speed ≥45km/h Range ≥40km Electric consumption per 62 miles(per100km) ≤2.5kwh Battery Type Fully sealed free maintenance lead-acid Capacity 20Ah Standards voltage 12V*4 Motor Type Drum, brushless Rated output power 500W ( 1000W is optional) Torque 12N.m Efficiency ﹥82% Controller Insufficient 42±1V Over current protection value point 27±1A Charger Input \ output voltage AC 220V\DC59V or AC 110V\DC 59V