As with electric cars, range anxiety can be at the back of the mind of e-bike riders. No-one wants to be hauling the extra weight of a flat battery up the last hill before reaching home.

In this case, yes, it is, since the powerful Aniioki ... The Aniioki A8 Pro Max battery, top, dwarfs a typical ebike battery (bottom) in size, weight and ... [+] capacity. How?