Finding the Right Battery

Batteries on your boat handle two basic kinds of tasks, starting an engine and running electrical loads like your lights, electronics and accessories for longer periods of time. To choose the right lithium battery, first determine the power requirements of your fishing boat and then choose from one of our marine batteries.

Learn How LiFePO4 helped Pro Angler Al Farace



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).

Add to Cart



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. It’s versatility allows it to fit in many marine applications, plus it’s dependable and requires zero maintenance.

Add to Cart



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.

Add to Cart



Our RB100-LT is a 12V, 100 Ah battery. Our LT Series batteries are specifically designed to handle low temperatures. The system features proprietary technology which draws power from the charger itself, requiring no additional components. The Low Temperature Series battery has the same size and performance as other RELiON batteries, but can safely charge when temperatures drop as low as -20°C using a standard charger.

Add to Cart

Need more information?

Please fill out the form and someone will be in touch shortly.