MagicPie3 Third Generation EBike Hub Motor with Smart Controller Inside. 24V/36V/48V Versatile Voltages; Power: 1000Watts, 35A Continuous; Rear Driving. A USB data communication adapter included. Attention ! We recommend to use our 38120 ,38140 and 40152 batteries with this kit ,discharge 30/60A or 50/100A versions , other batteries...