The Deka 8A4D (8A4DM) is an American made AGM (absorbed glass-mat) deep cycle battery. The AGM technology allows for a completely sealed maintenance-free battery with no sulfuric acid leaks, no acid clean up, and more power in the same space when compared to conventional batteries. It has an under 2% per month self discharge rate. The Deka 8A4D (8A4DM) is a direct replacement for any group 4D lead-acid, GEL, or AGM batteries.
Group Size: 4D