NOCO NLX31 — 12.8V 120Ah LiFePO4 Dual-Purpose Battery | Group 31
NOCO NLX31 — 12.8V 120Ah LiFePO4 Dual-Purpose Battery | Group 31
The NOCO NLX31 is a Group 31 lithium iron phosphate dual-purpose battery rated at 12.8V, 120Ah, and 1,600 amps — NOCO's most powerful NLX battery. Built for the most demanding marine, RV, commercial, and automotive applications, it combines massive cranking power with substantial deep cycle capacity in a single lightweight package.
Key Features
- 1,600A peak starting power — NOCO's most powerful dual-purpose LiFePO4 battery
- 120Ah / 1,536Wh deep cycle capacity — substantial reserve for house loads and high-draw accessories
- LiFePO4 chemistry — maintenance-free, no acid, no water, no sulfation, ships fully charged
- Built-in BMS — overcharge, over-discharge, short circuit, and temperature protection
- Over 2,000 charge cycles — significantly longer service life than lead-acid equivalents
- Ultra-lightweight — fraction of the weight of equivalent Group 31 lead-acid batteries
- Group 31 form factor — direct drop-in replacement for standard Group 31 lead-acid batteries
Specifications
- Chemistry: Lithium Iron Phosphate (LiFePO4)
- Voltage: 12.8V
- Capacity: 120Ah / 1,536Wh
- Peak Starting Current: 1,600A
- BCI Group: 31
- Warranty: 5-Year Limited
Ideal For
- Large marine vessels, bass boats, and pontoons requiring dual-purpose starting and house power
- RV house battery banks and high-draw accessory systems
- Commercial vehicles and heavy-duty automotive applications
- Replacing Group 31 lead-acid batteries with a lightweight lithium upgrade
Ships from Thunder Battery — Canada's trusted battery and energy storage dealer.













