Requires no addition of water during the life of the battery.
The Mighty Max YTX5L-BS GEL is a TRUE DEEP CYCLE battery that can be mounted in any position, requires no maintenance. The YTX5L-BS GEL is a 12V 4AH GEL Maintenance Free battery. Common uses for the YTX5L-BS GEL: ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more.YTX5L-BSGEL 12V 4AH Replacement Battery compatible with Yamaha 450 WR450F 03-18 - 3PK When a Gel Cell battery is charged, no hazardous fumes escape the battery case, gases are processed within the battery itself.