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Power your adventures with confidence using our high-performance replacement for the Northstar NSB-AGM31M. This premium Group 31 AGM (Absorbent Glass Mat) battery is engineered to deliver exceptional deep-cycle capabilities and reliable starting power, making it the ideal choice for demanding marine and RV applications.
Built with pure lead AGM technology, this battery provides faster recharging, lower self-discharge, and superior resistance to vibration compared to standard flooded batteries. Its leak-proof, maintenance-free design allows for flexible mounting options, ensuring you have power exactly where you need it on your boat or recreational vehicle.
Key Features & Benefits
- Dual Purpose Power: Delivers massive Cold Cranking Amps (CCA) for engine starting while providing deep cycling reserves for running electronics and accessories.
- Pure Lead AGM Technology: Ensures superior conductivity and power density, allowing for faster recharge times and extended cycle life.
- Vibration Resistant: Tightly packed plate construction protects against wave impact and road vibration, significantly extending battery life in harsh environments.
- Maintenance Free: Sealed AGM design requires no water additions and eliminates the risk of acid spills, making it safe for enclosed installations.
- Low Self-Discharge: Retains charge longer during storage, ensuring your boat or RV is ready to go after the off-season.
Product Specifications
- Product Type: Replacement Marine/RV Battery
- Replaces OEM Part #: NSB-AGM31M (Northstar)
- BCI Group Size: Group 31
- Voltage: 12V
- Chemistry: AGM (Absorbent Glass Mat)
- Terminal Type: Marine / SAE Posts
- Condition: Brand New
Common Applications
This Group 31 AGM battery is the standard upgrade for:
- Marine Trolling Motors and House Banks
- RV and Motorhome Coach Batteries
- Emergency Vehicle Auxiliary Power
- Solar and Off-Grid Storage
- Heavy-Duty Commercial Trucks
Get reliable power on the water and road. Order your Replacement for Northstar NSB-AGM31M today!
During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.
All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)
At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.
