Segway Segway Ninebot KickScooter External Battery

* The Extended Battery is compatible with the Ninebot KickScooter by Segway ES1 & ES2 * It is easy to install and nearly doubles the range of both models from 15.5 miles to 28 miles * It also increases the speed of the ES1 and ES2 to 15.5 mph and 18.6 mph respectively