Equipped with a 48V 250W high-performance motor, the DUOTTS C29 e-bike can reach speeds of up to 50 km/h. Battery capacity: 48V 15Ah. Model: C29. 1 x C29 Electric Moped Bicycle. Motor: 48V 250W. Choose from three riding modes: traditional Pedal Mode, adjustable Pedal Assist Mode with 1-5 levels, and Pure Electric Mode.