Powering Your Water Adventures
When you're miles from shore, the last thing you want to worry about is whether your battery can keep up. At Abyss Battery®, we build 12V marine battery solutions that start your engine, run your electronics, and keep going long after conventional batteries quit. Whether you're chasing fish at dawn or spending the weekend off the grid, our lithium marine batteries deliver the power you need without the weight, hassle, or guesswork.
Built to Handle Real Marine Conditions
Saltwater, vibration, pounding waves; the water is a tough place to keep electronics running. That's exactly what our 12 volt deep cycle lithium battery is engineered to handle. We use premium lithium iron phosphate (LiFePO4) chemistry because it's stable, safe, and made to last through years of hard use.
Here's what sets an ABYSS 12v lithium ion deep cycle battery apart:
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Rock-solid internal structure: Internal cell holders keep every cell locked in place, protecting against short circuits caused by impact and rough water.
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Cylindrical LiFePO4 cells: These cells won't swell or degrade the way pouch cells can, so your battery stays dependable season after season.
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Vibration-resistant BMS: Our Battery Management System is bolted securely to the internal frame, so it holds up when the seas get rough.
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Offshore-ready design: Built to withstand the demands of serious marine environments, not just calm-water cruising.
One Battery for Starting and Deep Cycle
A lot of boaters end up hauling two batteries; one to crank the engine and another to run everything else. Our 12 volt lithium deep cycle battery does both jobs. You get the high burst of power needed to start your outboard, plus the steady, long-lasting output required for a 12v deep cycle marine setup.
That makes it a smart fit for boats running heavy-load electronics without the bulk of a generator, including:
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SEAKEEPER stabilizer systems
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Marine chill plate refrigeration
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360˚ OMNI sonar and other high-draw electronics
Every ABYSS 12-volt marine battery is approved for and exceeds the specifications of Mercury Marine, Yamaha, Suzuki Marine, and Honda Marine outboard engines.
Smarter Power, Right on Your Phone
Guessing about your battery's charge is a thing of the past. Select ABYSS batteries include built-in Bluetooth, so you can check your battery's real-time performance, monitor charge levels, and pull the latest software updates through an easy-to-use app on your smartphone. It's peace of mind you can check with a quick glance.
Power That Lasts for Years
A quality 12-volt lithium battery deep cycle setup should be an investment, not a recurring purchase. Each ABYSS battery is built for the long haul, with a lifespan of up to 10 years or 5,000+ cycles depending on how you use and maintain it. That means fewer replacements, less downtime, and more time doing what you actually got the boat for.
Choose ABYSS and Go Farther
Stop juggling multiple batteries or worrying about running out of power at the worst possible moment. With an ABYSS 12v marine battery, you get lightweight, reliable energy for both starting and deep-cycle needs in one dependable package. Find us at your nearest West Marine or authorized dealer, or reach out to our team to find the right battery for your setup.
