Requires no addition of water during the life of the battery.
. The YTZ7S GEL is a 12V 6AH GEL Maintenance Free battery.YTZ7SGEL 12V 6AH GEL Replacement Battery compatible with Cannondale 440 X440 02-03 - 6PK When a Gel Cell battery is charged, no hazardous fumes escape the battery case, gases are processed within the battery itself. Common uses for the YTZ7S GEL: ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more.