When it comes to powering your marine adventures, choosing the right battery can make or break your experience. Deep-cycle marine batteries are essential for providing reliable energy, especially when consistent power is crucial for various applications, from trolling motors to onboard electronics. Whether you're a seasoned sailor or a weekend boater, these vital power sources will enhance your time on the water. Designed to provide reliable power over an extended period, our deep-cycle marine batteries are ideal for powering your boat and all its accessories, whether your engine is running or not. Our deep-cycle lineup is designed to be discharged and recharged repeatedly, offering durability and efficiency. Among the varieties available are marine enhanced flooded batteries (EFB), starting RV marine (SRM) batteries and our all-new lithium deep-cycle marine batteries.

•  Marine Enhanced Flooded Batteries (EFB): Spend more time on the water with Interstate. Our marine enhanced flooded batteries provide the tough, long-lasting, deep cycles needed to power boating accessories like trolling motors, fish finders, sound systems and more. EFB batteries differ from traditional flooded batteries by their ability to endure deep discharges, making them optimized for marine use. These batteries adeptly handle the high electrical demands of modern marine accessories, assuring top-tier performance and reliability.
•  Starting RV Marine (SRM) Batteries: Our SRM batteries deliver dependable power for marine settings, functioning as dual-purpose deep-cycle batteries. They can start engines and energize on-board equipment such as stereos and refrigerators, meeting the needs of marine environments effectively. With a minimum marine cranking amp rating of 750, they support vital onboard electronics and are chosen for their cost-effectiveness, performance and capacity to maintain consistent energy delivery critical for marine applications.