. When a Gel Cell battery is charged, no hazardous fumes escape the battery case, gases are processed within the battery itself. Requires no addition of water during the life of the battery. YTX5L-BSGEL 12V 4AH Replacement Battery compatible with Yamaha 450 YFZ450R 09-19 - 4PK Common uses for the YTX5L-BS GEL: ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more.