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Abyss Battery

Abyss Battery 36V 60Ah Trolling Motor Lithium Battery Kit - TMK-36V60-BT

Abyss Battery 36V 60Ah Trolling Motor Lithium Battery Kit - TMK-36V60-BT

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Abyss Battery  36V 60Ah Trolling Motor Lithium Battery Kit - TMK-36V60-BT

Enhance your fishing experience without the hassle of frequent battery recharges or the worry of mid-trip power failures. Introducing the  – a revolutionary solution designed for the avid angler. This Group 31 lithium marine battery is not just compact and lightweight; it's a powerhouse that redefines efficiency. Say goodbye to bulky setups as it effortlessly replaces three 12V Lead-acid or AGM group 31 batteries, streamlining your boat's storage space.

Our Trolling Motor battery Kit goes beyond just a battery; it includes the  ensuring a rapid, smart, and effective charging process. This synergy between battery and charger guarantees maximum performance and longevity.

Crafted for reliability, thehrives in various marine settings, weather conditions, and temperatures. It's perfect for deep cycle use, providing a consistent and extended power supply. This means uninterrupted, worry-free fishing trips, whether you're leisurely trolling in calm waters or battling strong winds.

What our Experts Think
  • Purpose-built 36V trolling system kit – The TMK-36V60-BT combines a 36V 60Ah LiFePO₄ battery system with integrated lithium-optimized charging, delivering a complete drop-in solution for high-demand trolling motors.
  • Stable high-thrust performance – Designed to maintain consistent voltage under load, supporting strong continuous output for long trolling sessions without the voltage sag typical of lead-acid setups.
  • Lead-acid replacement efficiency – Replaces multiple 12V batteries in series, significantly reducing system weight, wiring complexity, and onboard space requirements while improving usable capacity.
  • High discharge capability for marine use – Built for demanding conditions with up to 100A continuous discharge and 500A peak bursts, ensuring reliable performance during sudden motor thrust demands.
  • Smart Bluetooth BMS monitoring – Integrated battery management system enables real-time tracking of state of charge, temperature, and system health via mobile app for safer trip planning.
  • Marine-grade durability – IP67-rated sealed construction and vibration-resistant casing designed for saltwater exposure, harsh weather, and offshore fishing environments.
  • Long-cycle lithium advantage – Engineered for thousands of charge cycles with high energy efficiency, reducing lifetime cost compared to AGM or flooded battery banks.
Q&A

Q: What is the Abyss Battery 36V 60Ah Trolling Motor Lithium Battery Kit used for?
A: It is a high-performance LiFePO4 battery kit designed to power 36V trolling motors with long runtime, stable voltage, and lightweight marine efficiency.

Q: What is included in the TMK-36V60-BT kit?
A: It includes a 36V 60Ah lithium battery system with an integrated BMS and Bluetooth monitoring for real-time performance tracking.

Q: Is this kit compatible with trolling motors?
A: Yes, it works with most 36V trolling motor systems from brands like Minn Kota, MotorGuide, Garmin Force, and similar marine setups.

Q: What are the benefits over lead-acid batteries?
A: It offers significantly lower weight, longer lifespan (3000+ cycles), faster charging, full usable capacity, and maintenance-free operation.

Q: Does it support Bluetooth monitoring?
A: Yes, the built-in Bluetooth BMS allows monitoring of voltage, state of charge, temperature, and battery health via a mobile app.

Q: Can it replace multiple 12V batteries?
A: Yes, it replaces three 12V lead-acid batteries wired in series, simplifying installation and reducing overall system weight.

Q: What charging system is recommended?
A: A lithium-compatible 36V charger with a LiFePO4 profile (typically 43.2V–43.8V depending on system design) is recommended for safe and optimal charging.


Maintenance Tips
  • Use only a 43.2V–43.8V LiFePO4-compatible charger (never lead-acid mode)
  • Avoid deep discharge below ~30V cutoff voltage to protect the BMS
  • Keep operating charge range between 0°C to 55°C for safe charging
  • Store at 40–60% charge in cool, dry conditions (-5°C to 45°C)
  • Recharge after each trip to maximize 3000–6000 cycle life
  • Do not leave battery at 100% charge for long storage periods
  • Keep terminals tight, clean, and corrosion-free (marine salt protection is critical)
  • Use Bluetooth app to monitor voltage, temperature, and SOC health
  • Avoid exceeding 100A continuous discharge limit
  • Ensure proper ventilation in boat compartment during heavy trolling load
  • Protect from shock, vibration, and water exposure (IP67-rated, but not abuse-proof)
  • Do not open or modify the internal BMS system
  • Disconnect during long storage to prevent parasitic drain
  • Allow battery to warm before heavy load use in cold conditions (built-in heating support available on some variants)