NOCO NLX31 Dual-Purpose Lithium Iron Phosphate Battery, Group 31, 12V
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Power a wider range of onboard needs with the NOCO NLX31 dual-purpose lithium iron phosphate battery—built to deliver starter-battery performance with deep-cycle cycle life. Rated IP66 for protection against dust and water exposure, it’s designed for dependable use in demanding marine and power-usage environments.
Key Features
- Active BMS for enhanced starting power, safety, longer run time, and universal fitment
- Dynamic BMS with active protection
- Dual-purpose LiFePO4 battery engineered to combine starter power with deep-cycle cycle life
- IP66-rated housing protection for harsh environments
- Secure mounting with flexible terminal options
- Ultra-fast charging with NOCO GENIUS technology (up to 20X faster than lead-acid rivals, per product positioning)
Intended Use
- Marine dual-purpose starting and house applications (starter + deep-cycle use)
- RVs and off-road vehicles needing a dual-purpose 12V lithium battery
- Trolling motor/auxiliary power setups that benefit from LiFePO4 cycle life
- General 12V applications compatible with BCI Group 31 battery configurations
Product Details
- NOCO NLX31 Dual-Purpose Lithium Iron Phosphate Battery, Group 31, 12V
- Model/SKU: 589-NLX31
- Battery type: Lithium Iron Phosphate (LiFePO4) (dual-purpose)
- BCI Group: 31
- Nominal voltage: 12V
- Capacity: 120Ah (1536Wh)
- Starting power: 1600A (starting)
- Continuous output: 200A (continuous)
- Charging current: 120A
- Charging voltage: 14.6V
- IP rating: IP66
- Operating temperature: -4°F to 122°F (-20°C to 50°C)
- Charging temperature: 14°F to 122°F (-10°C to 50°C)
- Storage temperature: -4°F to 122°F (-20°C to 50°C)
Parts Desk Insights
Best Use Case: Ideal when you want one 12V battery to handle both high-demand starting and longer-run deep-cycle-style usage—without switching chemistries.
Common Issues: For installation and performance, verify the battery’s terminal configuration and mounting position against your vessel/vehicle layout, and follow the mating-surface and terminal-gasket/hardware steps from the NOCO instructions to ensure reliable electrical contact in wet environments. If you’re pairing with a charger/maintainer, confirm you’re using a lithium-appropriate NOCO GENIUS charger mode for LiFePO4.
Related Products & Accessories
- Browse related chargers & accessories for NOCO lithium batteries - Explore compatible NOCO charging solutions and battery accessories in the Batteries & Power Storage category.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.