NOCO NLXU1 Dual-Purpose Lithium Iron Phosphate Battery, Group U1, 12V
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You have 30 days to request a return. All sale items are final sale.
The NOCO NLXU1 is a Group U1, 12V lithium iron phosphate (LiFePO4) dual-purpose battery built to provide reliable cranking power and deep-cycle run time in a compact, marine-ready form factor.
Key Features
- Dual-Purpose Design — combines starter-style performance with deep-cycle endurance
- Lithium Iron Phosphate (LiFePO4) Chemistry — designed for long-lasting, stable performance
- Advanced Battery Management System (BMS) — active protection and cell balancing helps safeguard operation
- IP66 Rated — dust-tight and protected against powerful water jets for demanding environments
- Ultra-Fast Charging — supports NOCO GENIUS-compatible lithium charging performance (see charger guidance in Parts Desk Insights)
- Group U1 Form Factor — drop-in fit for Group U1 battery locations
- 12V System Power — ideal for common 12V marine and auxiliary applications
Intended Use
- Marine battery replacement (Group U1 size)
- Small outboards and starting batteries (dual-purpose use)
- Trolling motors and accessory power runs (dual-purpose use)
- Lawn/garden and off-grid auxiliary equipment that uses a Group U1, 12V battery form factor
Product Details
- Brand: NOCO
- Model: NLXU1
- Part Number: NLXU1
- Chemistry: Lithium Iron Phosphate (LiFePO4)
- Voltage: 12V
- Group Size: U1
- Rated Capacity: 40Ah (512Wh)
- Starting Power: 600A (starting current)
- IP Rating: IP66
- Weight: 6.2 kg (13.7 lb)
- Operating Temperature Range: -4°F to 122°F (-20°C to 50°C)
- Charging Temperature Range: 14°F to 122°F (-10°C to 50°C)
- Hazmat: Yes — lithium battery shipping restrictions apply
- Charging Parameters (battery/series): charging voltage 14.6V; charging current 40A
Parts Desk Insights
Best Use Case: Best suited for customers who want one compact Group U1 battery to cover both starting and accessory/deep-cycle style runtime—especially for marine installations where weather exposure matters.
Common Issues: Confirm you have a lithium-compatible NOCO GENIUS charger before charging. If a battery is installed in a Group U1 tray/box, also verify terminal compatibility and mounting position using your application’s battery hold-down and cable routing.
Related Products & Accessories
- Browse NOCO lithium batteries - For additional NOCO battery sizes and chemistries in the Batteries & Power Storage category.
- Browse battery chargers (NOCO GENIUS) - Use to find a GENIUS lithium-compatible charger matched to your battery system.
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.