... 1).Motor: 250W High speed brushless DC hub intelligent motor2).Battery:24V/36V,10AH/5AH sealed Lithium battery3).Max speed:25km ... can charge your mobile phone, tablet, iphone, ipad, and any portable USB device, from the bicycleWhy is this electric bike different ... only 1.5kgs, features a small & lightweight lithium battery, with brand new battery technology that will take you 35km-45km per charge ...