12V 120Ah RV & Marine LiFePO4 Battery
12V 120Ah RV & Marine LiFePO4 Battery
SKU:A-012120-31-HUS
Eco Battery's 12V 120Ah RV and marine battery combines all-in-one convenience with advanced technology in a compact, standard-size design. Built for flexible installation, premium reliability, and long-term performance, this battery is a clean, integrated power solution that provides confidence wherever the road or water takes you.
PRE ORDER: Expected to ship in early November
Details
Details
Simple Operation
Smart battery and App for easy installation and setup. Plug and play with other components.
Intelligent Sizing
Case designed to fit any application securely; easily expand capacity with parallel connections.
High Power Delivery
Scalable high power output for demanding loads. 800 peak amps for starting motors, electric generators, and other high-draw devices.
Cold Weather Operation
Internal heating for safe charging in sub-zero environments.
Rugged, Safe, Waterproof Design
IP67 case with secure mounting for ABYC/USCG compliance.
Warranty
Warranty



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More Usable Power
Our Grade A lithium batteries deliver consistent power across the full discharge cycle, so you can run your electronics with confidence and get the most out of your battery, even when you’re off the grid.
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Zero Maintenance
No watering, cleaning, or maintenance: Install them, charge them, and spend less time checking your batteries and more time enjoying your RV or boat.
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Long Lifespan
More cycles, more performance-filled years, backed by a Limited Lifetime warranty. Our industry-best service team is here for you every mile along the way.
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Safe and Reliable
The safest Lithium LiFePO4 chemistry, paired with advanced Battery Management technology, ensures safe operation during charging, use, and storage.
Explore Features
Eco Battery offers complete power solutions tailored to your RV or boat.
Cold-Weather Ready
When temperatures drop, Eco Battery keeps you powered up. Internal heating enables safe charging in sub-zero environments, making these batteries ready for cold-weather adventures.
High Power Delivery
Designed for high-current applications, Eco Battery packs deliver strong peak starting power and reliable output for power-hungry equipment. From engine starting and trolling motors to inverters, appliances, and onboard electronics, they deliver the power you need when you need it.
Multiple Safeguards
We take safety seriously and ensure multiple levels of protection for a worry-free lithium experience. The proprietary Eco Battery Management System (BMS) has several built-in safeguards to monitor battery activity during charging, use, and in varying temperatures.
Robust Construction
From rough roads to open water, Eco Battery’s rugged battery construction is designed to handle the demands of RV and marine environments. A durable case with secure mounting, IP67-rated protection, and premium internal connections helps safeguard your battery against water, weather, and everyday wear.
The Trusted Choice
With significant market share, trusted OEM partnerships, and thousands of satisfied customers in the golf cart industry, we've expanded our portfolio to bring the same premium battery technology, accessories, and industry-leading support to the RV and marine markets.