Ensuring power from the inside out with Expertise Built In™, the OTR Group Size 27MDC Silver Flooded Marine / RV Battery, a reliable battery that powers and charges your components all year round. 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. Engineered 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. OTR heavy duty parts offer the same form, fit, and function as OE. With comprehensive research, independent testing, and continuous product development, OTR heavy duty parts are sure to keep you and your truck safely on the road. In addition to providing the highest quality of heavy duty truck and trailer parts, you can rely on OTR warranties to be comparable or better than OE and top brands. FleetPride is your First Click in Heavy Duty®.