Ensure your vehicle is Ready for the Road Ahead™ with a reliable battery that powers and charges your components all year round, with the Deka Group Size 31 Marine/RV Flooded Dual Purpose Battery. Due to its maintenance-free design and vibration resistance, this replacement battery for marine and RV vehicles is the ideal choice for long journeys and bumpy conditions. Constructed with solid and heavy duty materials to effectively hold a charge, jump start other vehicles, and keep your vehicle running its best in any type of weather condition. FleetPride is your First Click in Heavy Duty®.