Lithium Batteries Made for Fishing

Finding the Right Battery for You

As an angler, your time on the water is valuable. A bass boat needs reliable marine batteries as they are necessary for both starting and running your machine. Shorter charge times and more usable capacity without any late-day voltage sag means you can spend more time doing what you love most: fishing!

Lithium Benefits for Your Bass Boat

Lithium batteries have many advantages, making them the perfect choice for every angler

Lithium Advantages

Lighter Weight

RELiON lithium batteries provide more power than lead-acid batteries and are typically half the weight - boosting both performance and agility on the water.

Fast Charge Time

Time to charge is a major factor of each and every battery. Lithium batteries charge significantly faster than lead-acid. Our lithium batteries can be charged in as fast as an hour, but we recommend using a charge rate that charges them in 2-5 hours.

Partial State of Charge Tolerant

You no longer have to worry about fully charging your batteries before use. With lithium power, a partial state of charge will not damage the health of your battery or its long-term performance.

Increased Usable Capacity

Lithium batteries have more hours of power. With 25-50% higher capacity than lead-acid batteries with full power throughout discharge, lithium batteries eliminate the voltage sag that is all too common with lead-acid and will keep you on the water.

Longer Life

Up to 10X longer life span compared to lead-acid batteries.


RELiON lithium batteries are maintenance-free – no watering, no corrosion

Bassmaster Elite Series Pro Patrick Walters Explains Why He Uses RELiON Batteries

Lithium Batteries for Bass Boats

RELiON's wide variety of batteries fits any angler's needs



Our RB50 is a 12V 50Ah lithium iron phosphate battery. Perfect for smaller applications, it has installation flexibility and no maintenance over the life of the battery. It maintains consistent power and is equipped with an M8 terminal type and a built-in battery management system (BMS).

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The RB50-HP is a 12V 50Ah lithium marine battery in RELiON’s High-Performance series. This lithium iron phosphate battery is specially designed to handle both starting and cycling. It delivers powerful cranking amperage for easy starting, and low amp draws service for reliable auxiliary power all in a compact and versatile package.



This 12V 60 Ah, Group 24 lithium iron phosphate battery is a safer, super lightweight alternative to lead-acid in your marine and other deep cycle applications. Coming in under 20 lbs, this battery is less than half the weight of a lead-acid equivalent and gives you more hours of consistent power. 60-amp hours of capacity means a full day of power for smaller-sized trolling motors.

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This 12V 80 Ah lithium iron phosphate battery is a safer, more lightweight alternative to lead-acid in the marine environment. At 25 lbs, this battery is less than half the weight of a lead-acid equivalent and is ideal for deep cycle applications where you need lots of power for a longer period of time. Eighty Amp-hours of capacity means a full day of power for mid-sized trolling motors.

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Our RB100 is a 12V, 100 Ah battery. A lightweight alternative to lead-acid, this deep cycle battery weighs in at only 30 lbs, so you can enjoy better acceleration and more agility on the water. The RB100 is the perfect replacement from a group 31 AGM, GEL, or lead-acid battery. Its versatility allows it to fit in many marine applications, plus it’s dependable and requires zero maintenance.

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Our RB100-HP is a 12V, 100 Ah battery. Our HP Series batteries are high performing lithium starting batteries, which crank the starter of your boat's engine and are the base of your electrical system. The RB100-HP provides the high power needed to start your motor, even after hours of powering your electronics.

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Need Help Selecting a Battery for Your Boat?

The first step is to size your battery bank according to your needs. Generally, to get the same runtime as a wet or AGM lead-acid battery, use a lithium battery that is 60% of the capacity of the lead-acid battery you are replacing.

Marine Battery Group Size Guide

Check Out the Pros Running RELiON

Patrick Walters

Bassmaster Elite Pro Angler

Bass Fishing

Jake Whitaker

Bassmaster Elite Pro Angler

Bass Fishing

Matt Arey

Bassmaster Elite Pro Angler