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36-Volt Trolling Motor Battery

36V lithium trolling motor batteries — sustained power for working structure, holding position, and fishing through changing conditions.

  • Trusted by OEMs & Professionals
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  • 10-Year Free Replacement
  • Designed in Florida
  • UL/IEC Certified

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FAQ

  • Can one 36V lithium battery replace three 12V trolling motor batteries?

    Yes. A suitable ABYSS® 36V battery can replace three 12V lead-acid or AGM batteries connected in series for a compatible 36V trolling motor. Confirm capacity, current requirements, dimensions, wiring, and charger compatibility before making the change.

  • Which 36V battery capacity should I choose?

    Start with your motor’s current draw, fishing time, and available battery space. ABYSS offers 60Ah, 75Ah, and 105Ah options. Higher capacity provides more energy at the same voltage, but actual runtime depends on motor use, conditions, and load. An ABYSS battery specialist can help you compare.

  • Can I keep my existing battery charger?

    Only if its output voltage, lithium charging profile, charging current, and required wake-up capability meet the selected battery’s requirements. Confirm compatibility with ABYSS before reusing a charger designed for a different battery bank.

  • Can I monitor my battery from my phone?

    The standard ABYSS® 36V 60Ah, 75Ah, and 105Ah models support Bluetooth monitoring with compatible Apple® and Android™ devices. The SEAL™ 36V 105Ah uses its included CRYSTAL™ X3 monitor to connect with the Abyss App. Connect within Bluetooth range to view battery information.

  • How do I choose between a standard ABYSS® 36V battery and the SEAL™ 36V 105Ah?

    Start with capacity, space, and the system features you need. Standard ABYSS® 36V models provide direct Bluetooth battery monitoring. SEAL™ adds built-in thermal aerosol fire suppression and uses the CRYSTAL™ X3 monitor within the INFINITE™ system, with dedicated power and communication connections. Compare charger requirements, cable kits, and the complete installation rather than choosing on amp-hours alone.

  • Will a 105Ah battery guarantee all-day trolling motor runtime?

    No fixed runtime applies to every boat. A larger amp-hour rating stores more energy at the same voltage, but sustained high thrust, wind, current, and a heavily loaded hull can use it faster. Estimate your average current draw and hours of motor use, allow a reserve, and choose capacity around the most demanding days you expect to fish.

  • Can I add a second 36V battery later for more capacity?

    Expansion depends on the exact battery model. Some standard ABYSS® 36V batteries permit specified parallel configurations, while the SEAL™ FN4 user guide prohibits both series and parallel connections. Do not connect batteries together solely because their voltage matches. Confirm the permitted arrangement, matching requirements, charging plan, and circuit protection before adding a second pack.

  • Can my installer keep the wiring from my old three-battery bank?

    Some components may remain suitable, but the installer should review the entire motor circuit. Check cable size for length and current, breaker voltage and current ratings, connector capacity, terminal condition, and battery mounting. Replacing three series-connected 12V batteries with one 36V battery changes the battery-side layout and requires the correct charger connection.

Long-Lasting Power for

Deep-Cycle Applications

As boat enthusiasts ourselves, we recognize the importance of creating batteries for deep-cycle applications. Our 36V lithium batteries are designed to deliver reliable power over extended periods. With sustained power and a longer lifespan, they make a perfect partner for professional anglers and boat builders worldwide.

Advanced Marine Power Systems for Trolling Motors

Next-Generation Features

We are marine industry innovators who bring continuous innovations in every power solution. Our advanced Bluetooth and wireless features allow our batteries to adapt over time, enhancing performance and longevity as you use them. They are tailored to perform in diverse marine environments across all seasons and temperatures. Designed with proprietary software, you can count on these batteries for unrivaled energy density and exceptional power output.

Advanced Marine Power Systems for Trolling Motors

Next-Generation Features

We are marine industry innovators who bring continuous innovations in every power solution. Our advanced Bluetooth and wireless features allow our batteries to adapt over time, enhancing performance and longevity as you use them. They are tailored to perform in diverse marine environments across all seasons and temperatures. Designed with proprietary software, you can count on these batteries for unrivaled energy density and exceptional power output.

Why Anglers Choose ABYSS?

One Battery. A Simpler 36V Setup.

Replace three 12V lead-acid or AGM trolling batteries wired in series with one ABYSS® 36V lithium battery. Reduce battery weight, reclaim compartment space, and eliminate the inter-battery series cables. Choose the capacity and case size that fit your boat and compatible 36V trolling motor.

Marine Protection, Built In

ABYSS® 36V batteries combine LiFePO4 cells, an internal battery management system, and IP67-rated enclosures. For anglers seeking additional integrated protection, the SEAL™ 36V 105Ah model also features built-in thermal aerosol fire suppression. Choose the engineering and features that suit your boat.

abyss battery pro app for our lithium marine bluetooth batteries

Know Your Power Before the Next Move

Check charge level, current, and voltage through Bluetooth® monitoring on a compatible phone. Whether you’re working a shoreline or deciding on one more stop, accessible battery information helps you make informed decisions on the water. SEAL™ models connect through the included CRYSTAL™ X3 monitor.

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What Sets ABYSS® 36-Volt Trolling Motor Battery Apart?

Wind, current, and long stretches on the trolling motor put your battery to work. ABYSS® 36-volt trolling motor batteries bring together a simpler battery layout, marine-focused construction, and accessible performance information so you can choose your power with the same care you choose the rest of your rig.

36V Power in One Battery

A single ABYSS® 36V battery can replace the three 12V lead-acid or AGM batteries traditionally connected in series for a 36V trolling motor. That means fewer batteries to secure and fewer connections between them. The 60Ah model fits a Group 31 case, giving anglers a compact option when compartment space matters. Match the battery to your motor’s electrical requirements and your boat’s installation space.

Capacity That Fits the Way You Fish

Choose from 60Ah, 75Ah, and 105Ah options. More capacity provides a larger energy reserve at the same system voltage, while case dimensions and weight help determine the best fit aboard your boat. Consider your motor’s current draw, typical fishing hours, and how often you contend with wind or current. Use those details to choose an energy reserve that fits the way you fish.

Marine Engineering, With a Choice of Features

The standard 36V 60Ah, 75Ah, and 105Ah models combine lithium iron phosphate chemistry, internal battery management, and IP67-rated enclosures with Bluetooth monitoring. Viewing charge level alongside current draw gives you a clearer picture of battery use as your motor’s workload changes.

For additional integrated features, explore the SEAL™ 36V 105Ah battery. It adds built-in thermal aerosol fire suppression and quick-connect terminals, and includes a CRYSTAL™ X3 battery monitor. View battery information on the display or through its Bluetooth connection to the Abyss App.

Charging That Fits Your Setup

Your charging system should match your battery as carefully as your battery matches your motor. Explore ABYSS® marine lithium battery chargers and select a model with the correct output voltage, lithium charging profile, and charging current for your battery. The right choice also depends on whether you charge from AC power or through a compatible onboard DC charging system.

Support Beyond the First Season

Eligible marine lithium battery purchases made on or after August 1, 2026 qualify for ABYSS’s 10-year transferable limited warranty when registered within 90 days. Coverage addresses manufacturing defects, with repair or replacement at ABYSS’s discretion. Transfer registration requirements and other terms apply. See the complete warranty policy.

Compare the 36V lineup above, or talk with an ABYSS® battery specialist about your motor, available space, and charging setup. Build your power system around the way you fish.