The TruGel Battery by BikeMaster is a gel electrolyte powersports battery with a life span twice that of a wet battery. Able to resist vibration and impacts that damage regular wet batteries, it can be installed at any angle. The TruGel Battery comes with a two-year manufacturer's warranty. Longer storage life on the shelf and in the bike. Works better at lower and higher temperatures than a wet battery. Will not sulfate like a wet battery