ITEM NO: TD668Z Battery capacity: Lead-acid. 12V/20AH x4pcs Wheel size: 18?? (thick) Motor power: 600W(Brushless) Rated speed of revolution: 500r/min Climbing ability: ≥6° Rated efficiency: ≥75％ Power consumption: ≤1.5° Max weight capacity: 100kgs Speed: 30km/h Net weight: 90kgs Carton size: 1750*570*1120mm Container load: 56pcs/40?FCL