Razor E200 (Chain-Drive Models) - Versions 8-12, Razor E300 & E325 - Versions 5-10 & 12, Razor Ground Force Drifter Go Kart - Versions 1-2, Razor Ground Force Go Kart - Versions 1-12, Razor Mini Chopper, Razor Pocket Rocket - Version 1-8 Slide on Terminals! No Soldering! Easy Installation! Diagram Included! High Performance Replacement Batteries and Battery Wiring Harness For: Slide on Terminals! No Soldering! Easy Installation! Diagram Included! The version will be the 7th and 8th numbers. (Example 100620-25-08100080862) Version 25 Completely Sealed 1 Year Warranty!