ITEM NO: TDR071Z Battery capacity: Lead-acid. 12V/12AH x4pcs? Wheel size: 16?? Motor power: 180W (Brushless or brush) Rated speed of revolution: 175-214r/min Climbing ability: ≥5° Rated efficiency: ≥80％ Power consumption: ≤1° Max weight capacity: 100kgs Speed: 20km/h Net weight: 45kgs Carton size: 1690*430*970mm Container load: 105pcs/40?HQ