Marine Lithium Battery Chargers

Marine Lithium Battery Chargers

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A great battery deserves a charger that can keep up with it. At Abyss Battery®, our marine lithium battery chargers are engineered as the perfect partner to our industry-leading lithium batteries, built to hold up against everything the water throws at them. Whether you're running inland lakes or offshore against salt spray and shifting weather, an Abyss marine battery charger gives you a precise, dependable, and safe charge every single time.

What Sets ABYSS Chargers Apart?

Our chargers are next-generation charging solutions designed to get more out of your batteries and more out of your time on the water. From ignition protection to our lithium pulse wake-up mode, every detail is built to make charging smarter and more efficient.

Precision Engineering for Longer Battery Life

Each Abyss onboard battery charger is programmed to charge ABYSS lithium batteries through faster, more efficient cycles. The result is a battery charger for boat motor setups that extends battery lifespan while keeping performance at its peak. You spend less time waiting on a charge and more time doing what you came out to do.

Advanced Safety and Compliance

Every Abyss charger is field-tested and ABYC-compliant, so you know it meets the highest standards for safety and reliability. Built-in protections guard against the problems that damage batteries and cut trips short:

  • Overcharge protection to keep cells healthy over the long haul

  • Overheat protection for safe operation in demanding conditions

  • Short-circuit protection for worry-free charging every session

Cutting-Edge Features and Marine-Grade Durability

Innovation is where Abyss shines. Our pulse wake-up mode safely reactivates batteries from full discharge or protection mode, minimizing downtime and preserving battery health. And because these chargers live in a harsh environment, we build them to survive it:

  • IP68 waterproof rating for total confidence around water

  • Stainless steel, corrosion-resistant hardware that stands up to the elements

  • Saltwater-safe construction for reliable performance offshore

Whether you need a deep cycle marine battery charger for long days of trolling or an outboard battery charger that can take a beating, these chargers are made to protect your investment.

Versatile Compatibility

While every Abyss charger is tuned to get the best out of ABYSS batteries, our lineup doesn't stop there. These chargers are compatible with other lithium batteries too, giving you flexibility across your setup. Backed by extensive field testing, they're the go-to choice for boaters and anglers who expect more from their gear.

How to Charge a Boat Battery

Before charging, match the charger with your AC power grid and your battery pack. Then follow these steps:

  1. Connect the charger output plug to the battery.

  2. Attach the AC plug to the AC outlet.

  3. Wait for the charger's red light to turn on, indicating it's charging.

  4. Disconnect the plug once the green light turns on, indicating a full charge.

Why Choose ABYSS BATTERY?

We understand what marine power actually demands, and we build to meet it. Our chargers are more than tools. They reflect a commitment to excellence, safety, and thoughtful design. Paired with our world-class batteries, our boat motor battery charger solutions deliver the performance, reliability, and confidence you want on every trip.

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Power your pursuit with Abyss Battery®, where better batteries meet even better chargers. Browse our full charger collection online, find us at West Marine, or contact our team to find the right fit for your setup.

 

Help

Frequently Asked Questions

Yes, our On-Board marine lithium battery chargers are IP68 waterproof rated, meaning they are completely protected against dust ingress and can withstand submersion in water. Their waterproof capabilities make them ideal for marine environments, ensuring reliable performance, even in wet or damp conditions.

Not at all! Our chargers are low-maintenance. To ensure their longevity, simply inspect them periodically for any buildup of salt or debris and rinse gently with fresh water if necessary.

Our chargers are specifically engineered to withstand the harsh marine environment, including exposure to saltwater and salt ingress. They are built with corrosion-resistant materials to ensure long-lasting durability, even in extreme saltwater conditions.

To ensure optimal performance and longevity, our batteries require a charging voltage of 14.4V to 14.6V. Here's what you need to know:

  • Compatibility with AGM chargers: You can use most AGM battery chargers with our 12V lithium batteries, provided the output voltage falls within the required range. Many modern AGM chargers also feature a lithium mode, making the transition to lithium power straightforward and hassle-free.
  • ABYSS on-board chargers: We offer a versatile 4-bank, 10-amp 12V marine charger specifically designed for our batteries. This charger includes mode options to charge lithium, AGM, and lead-acid batteries simultaneously, providing unparalleled flexibility.
  • Charging from an alternator: Our 12V lithium batteries are compatible with your motor’s alternator, allowing convenient charging without any modifications or additional equipment.

Our chargers are optimized for use with ABYSS lithium marine batteries, but they are also compatible with most other lithium iron phosphate (LiFePO4) batteries, offering safe and efficient charging. Our Multi-Bank Chargers are also compatible withlead-acid and AGM batteries.

For those navigating with our robust 24V battery systems, we offer tailored charging solutions to match your energy needs. Choose from our efficient 24V 10 Amp Lithium battery charger perfectly suited for our 24V 60Ah and 24V 75Ah trolling motor batteries, or upgrade to the more powerful 24V 20 Amp charger, designed specifically for our 24V 100Ah battery. These options ensure your battery is charged quickly and ready for your next adventure.

Our 36V lithium trolling motor batteries benefit from specialized charging options. The 36V 10 Amp charger is ideal for our 36V 60Ah and 72Ah lithium batteries, while the more robust 36V 20 Amp charger is crafted for the demanding energy needs of our 36V 105Ah battery.

The ABYSS® 36V DC-DC Charger is designed to give your 36V trolling motor battery a boost while you're on the go by harnessing power from your engine’s alternator. As your boat moves, the alternator generates excess power, which the charger redistributes from your cranking battery to your 36V battery, providing up to 10 Amps of charging voltage as needed.

This smart on-demand technology only supplies the charging current necessary to replace used energy, helping extend your 36V trolling motor battery life. Additionally, it ensures that your cranking battery’s voltage won’t fall below 13.3V, so you can safely rely on your boat’s systems and keep your trolling motor charged and ready.

It is not recommended to use a 36V DC alternator charger with three 12V lithium batteries in series. While the voltage may match, charging batteries connected in series with a 36V charger can lead to imbalanced charging, potentially causing:

  • Uneven charging: The charger cannot individually balance each 12V battery, which can result in one or more batteries being overcharged or undercharged, reducing their lifespan.
  • System instability: Imbalanced batteries can cause performance issues and even damage the battery pack or the alternator charger.
  • Safety concerns: Uneven charging increases the risk of overheating, which may compromise the safety of the battery system.

Customer Reviews

Let customers speak for us

Incredible power!!! 24v is actually 24volts! Run it all day no worries!! A must for charter captains and tournament fishing!! Thumbs up!! 10 star!! Prompt professional service!!!
Exactly what needed and advertisedBought two 12v for lead batteries for my seakeeper. Easy to install and much easier to handle with weight difference. Performed perfectly. Sat off Miami Beach for hours with Seakeeper on and engines off and powered throughout with no issues. Re-charges off rhe engines with existing system. Truly a drop in replacement!
Ryan and Abyss are top notch. Super knowledgeable, super accommodating. And their products are second to none. Best charger options in the LiFePo4 marketplace, and it's not even close. And the batteries are LEGIT. I wouldn't waste any time looking anywhere else for lithiums and/or chargers

Howard Helmick

09/16/2023

ABYSS® 3 Bank 12V/36V On-Board Marine Battery Charger

ABYSS® 3 Bank 12V/36V On-Board M...

Ordered and delivered to my house in less than 12 hours! Great company, great customer service! No more brown power, full thrust for days! Removing 3 agm batteries from my console was a plus too.

Thomas Scoggins

09/14/2023

ABYSS® 36V 75Ah Lithium Trolling Motor Battery

ABYSS® 36V 75Ah Lithium Trolling...

Super small for a 36V battery. Group 31 size. The Bluetooth app rocks. Very happy with this purchase.