Parts Unlimited Ytx20Hl-Bs .948 L High Performance AGM Battery Parts Unlimited has made a premium-quality, maintenance-free battery at a low price. Get up to three times longer battery life than conventional batteries. Don't worry about water loss. When filled with acid the absorbed-glass mat battery permanently seals. Features 310 CCA Battery seals to prevent water loss Acid pack included Holds a charge up to three times longer than conventional batteries Dimensions: 6-13/16 L x 3-3/8 W x 6-1/8 H Amp hours: 18 Battery Terminal Location: Note: Product may vary from photo. Charge and test all batteries prior to using.