HillMiles MileCity 1. 250W Motor 36V 13Ah Battery 70KM Range City E-Bike. Battery Capacity : 13AH. 1 x 36V 13AH Battery. 36V 13Ah (468Wh) Large Battery. Motor Power : 250W (peak WWA). With a 60oWA peak output and 42 N.m torque, you can confidently ride a 12° slope.