This battery set is used on the Razor E100/E125 (Versions 10-15) and the Razor E150 (Versions 1-5).
**NOTE: E100/E125 Scooter versions can be determined by locating your bar code ID on the bottom of the scooter. The 7th and 8th digit in the series will tell you the version of your product: 01=version 1; 02=version 2; 09=version 9, and so on. Please be sure you identify your product version before placing an order for a battery.
