Interstate 31MHD Interstate – Group 31M Marine Deep Cycle Battery
The Interstate 31MHD Interstate is a 12V dual-purpose marine battery engineered for both reliable engine starting and deep-cycle house power. Ideal for boats, sailboats, and recreational marine applications, it delivers dependable performance on the water.
Key Features
- Group Size: 31M
- Voltage: 12V
- Technology: Flooded Lead Acid, Deep Cycle
- Applications: Marine starting, trolling motors, onboard electronics
- Warranty: 30 months
Compatible With
Fits most marine applications requiring Group 31M batteries including powerboats, sailboats, and recreational watercraft. Core deposit may apply.
Why Peninsula Battery?
Peninsula Battery is a certified, Bay Area-based battery supplier trusted by United Airlines, Kaiser Permanente, and CalTrans. We serve customers in-store at our South San Francisco location and offer local delivery within our Bay Area driving radius. DBE and ACDBE certified.