The E-bike have passed UL 2849 safety standard detection This Ebike cruise max up to 40 miles on a single charge(PAS Mode), Reach top speeds of 20 mph, which enables you to shuttle freely everywhehre and conquer steep hills climbing, snow riding or a big loading capacity(330lbs) and 30-degree inclines with ease. 500W Brushless Motor: Peak power reach up to 500w, easily increases MAX speed up to 20mph The max torque of this electric bicycle is 80N.M, provides enough support for your exciting adventure ? 36V 10Ah Battery: .