Duracell AGM Deep Cycle Marine and RV Battery (Group Size 31)
Marine AGM batteries are specially designed for engine starting and the long, deep discharges typical of marine applications. The maintenance-free AGM design immobilizes electrolytes, making these batteries spillproof and leakproof, so they’re safe to use no matter how much your ship gets tossed. They are available in all popular marine sizes with abundant cranking power for quick, easy starting and all the reserve power necessary to keep your auxiliary equipment running strong. And they're backed by an 18-month free replacement guarantee*.