Gunsmith Baton put out a video showing proper use of their Lipo battery and charger... "Please be sure to watch this video before using the BATON electric gun lipo battery/charger. There is a risk of explosion or fire if the lipo battery/charger is used improperly. If you have any questions about how to use the lipo battery/charger for electric guns, please feel free to contact Gunsmith BATON. We would appreciate it if you could contact us."