Length x wide x height:1420mmx590mmx1000mm Center distanceof the front-back wheel:1000mm Motor: 180W Mass.speed:20KM Maximal successional mileage:No less than 30Km Weight:≤36Kg Load:75Kg Wheel disamter:400mm Overload protection point(ampere):≤13A Low voltage protection point≥20.5v Charging voltage:220v/50Hz(AC) Charging time:3-8hours Rated power:300W Rated revolution:2500r/min Rated voltage:24V Rated forgue:5N.m Transmition:Chain transfer Battery specification:energetic and maintenance-free lead acid storage battery Auxiliary accumulator:1 Capacity:10Ah Nominal voltage:24V