Power: 48V 750W Motor. Powerful, affordable, durable, quiet, clean looking, can make you simply enjoy the ride! Battery: Removable 48V Lithium Battery, charging time 4-6 hours.The charger has a safety design to prevent over-charged. 3 Riding Modes: Pedal Mode / Boost Mode / Power Mode. Adjustable heights of handlebar and saddle for different heights of people.