This Battery is a state-of-the-art AGM sealed lead-acid battery. The advantage of this design is that the battery needs no water additions, can be operated in any position, and can be used in close proximity to people and sensitive equipment. The specifications on this battery are length = 12.9 inches, width = 6.3 inches and height (including terminals) is 6.8 inches. The 20 hour rating on this battery is 110 amp-hours.