Description
12V Group 31 Lithium Dual Purpose Marine Battery NLX31 is a premium 120Ah lithium battery engineered for both deep cycle power delivery and high-current engine starting. Designed by NOCO, this advanced battery delivers up to 1600 amps of starting power while supporting 200 amps of continuous current, making it ideal for demanding marine and high-performance electrical systems.
Built with an active Battery Management System (BMS) and housed in a rugged, IP66-rated enclosure, the NOCO NLX31 provides superior safety, durability, and long-term reliability. Its dual-purpose design allows it to function as both a starter and deep cycle battery, reducing system complexity and saving installation space.
With multiple terminal configurations and included hardware, this battery offers exceptional installation flexibility across a wide range of marine and mobile applications.
Key Specifications
-
Manufacturer Part Number: NLX31
-
Voltage: 12.8 Volt Nominal
-
Battery Type: Lithium Dual Purpose (Deep Cycle and Starting)
-
BCI Group Size: Group 31
-
Capacity: 120 Amp Hours (Ah)
-
Starting Current: 1600 Amps
-
Continuous Current: 200 Amps
-
Terminal Type: Standard Post, Threaded Stud, and Button Head Bolt Top Terminal
-
Length: 12.9 Inches
-
Width: 2.3 Inches
-
Height: 8.5 Inches
-
Marine Rated: Yes
-
Ingress Protection: IP66
Features & Benefits
-
Dual-purpose lithium design supports both engine starting and deep cycle operation
-
Active BMS technology delivers increased starting power, enhanced safety, and longer runtime
-
High starting output up to 1600 amps for demanding marine engines
-
Rugged IP66-rated enclosure for protection against water and dust
-
Advanced internal structure with engineered plastic shell and honeycomb lattice reinforcement
-
Rapid recharging capability when used with compatible NOCO Genius chargers
-
Highly configurable terminal system for maximum installation flexibility
-
Universal fitment across a wide range of marine applications
Applications
-
Marine starting and house battery systems
-
Performance boats and yachts
-
Dual-purpose marine electrical systems
-
High-demand onboard electronics
Included Hardware
-
Four terminal covers
-
Two 3/8"-24 nuts
-
Two 5/16"-24 nuts
-
Two 3/8"-24 threaded terminals
-
Two 3/8"-24 x 5/16"-24 threaded terminals
-
Two terminal caps
-
Positive and negative SAE terminals
-
Two 3/8"-24 x 9/16" terminal bolts
-
7/32" hex key
-
User guide
Warranty & Notes
-
Limited 1-Year Manufacturer Warranty
-
Non-Returnable Item
-
Manufacturer: NOCO
Safe & Secure Payments
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Security
Estimate shipping
You may also like
Recently viewed
New & Updated RV Parts Inventory — Check Back Often
We’re always adding new and used RV parts to our inventory, so be sure to check back regularly.
If you don’t see the part you need today, we may still have it in stock—our internal database includes thousands of new RV parts that are not yet listed online.
Text or email us with the product number or model, and we’ll check availability for you right away.
Our Collections