The Ninebot by Segway Extended Battery Pack can be used on both ES1 and ES2 and will expand the range from 25 km to 45 km. This extended battery pack is also a direct replacement or spare for your ES4.
The ES2 will increase the speed to a maximum 30 km/h. On the ES1 the speed will be increased to 25 km/h. The battery can easily be attached to the stem of the product.
Ninebot by Segway
ES4 (Factory replacement or spare)
1 x Ninebot by Segway Extended Battery Pack