Replace your flooded batteries with Absorbed Glass Mat (AGM) batteries. Theyre more rugged, accept higher charging current, are sealed, safer and submersible. AGM Batteries are great in both deep cycle and starting applications. They charge more quickly than conventional batteries and have low 3% monthly self-discharge rates. The spill-proof, valve-regulated design eliminates acid spills and terminal corrosion. AGM batteries are safer to operate thanconventional flooded batteries, as the chance of explosion or acid spray is reduced which allow them to be installed in almost any location and any position (exceptupside-down). Manufactured in the U.S. for West Marine by East Penn, one of the most reputable battery companies in the country. Each battery receives over 250 quality control checks toguarantee consistent and superior performance. East Penns award winning factory leads the industry in closed loop and sustainable practices. Nearly all of the plastics, lead and acid are recycled, so our batteries are great for your boat and the environment. Key Features Dual Purpose batteries deliver high starting and moderate deep cycle power; Ideal for boaters who want high cranking power plus dependable power for power-hungry electronic accessories Shock-absorbing glass mat separators resist vibration and damage that can shorten the life of a battery; 20 times more vibration resistant than flooded batteries for wave-pounding protection Enhanced durability design to withstand wear of extended cycling service Superior electrolyte retention prevents dry out and acid leaks Safer to install and transport with no-spill design to prevent leaking acid Lower current resistance separators improve current flow for faster starts Manufactured in the USA Rated at 300 cycles Specifications Group Size: Group 4D Terminal Type: Tapered Post Terminal Amp Hours (Ah): 198 Cold Cranking Amps (CCA): 1110 Marine Cranking Amps (MCA): 1420 Reserve Minutes: 380 Weight: 131 lbs. Dimensions: 20 3/4"L 8 1/2"W x 10"H Warranty: 18-month free replacement