Razor E100/E125/E150/E175 Battery Set 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 This battery set is used on the Razor E100/E125 (Versions 16 and up), the Razor E150 (Versions 6 and up), the Razor E175 (Versions 19 and up) and the Razor eSpark. Set of 2 (12v, 4.5ah) Length: 3.54 inches (90mm), Width: 2.72 inches (69mm), Height: 3.94 inches (100mm) Plug Style: 3 hole (2-pin), female w/ reset wires