DM70 Electric Bicycle with Brushless Motor of 750W Specifications Brushless motor, rear-earth permanent magnet products Non-class accelerator Car class roast paint Battery: maintenance free lead acid battery, 12Ah 48V Charger: 220 /110V, 50 - 60Hz Rated: 500W; max: 750W Charger life: >250 times Controller: Lowest voltage protection 31.5V Over-current protection 15+/-1A Net weight: <92kg Rated loading: <120kg Distance per charge: 35 - 50km Charging time: 6-8h Carton dimensions (16"): 1,830 x 575 x 1,110mm