Lithium Batteries for Kayaks

Lightweight, Long-Lasting Power for Kayaks - LiFePO4 Batteries for Optimal Performance on the Water

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Small Boat, Big Power.

RELiON lithium marine batteries have a significant advantage for kayak fisherman. They last up to 10x longer, they are IP67 water resistant, and they are lightweight, which is a crucial factor when adding storage and other items to your one person fishing vessel.

Recommended Kayak Fishing Batteries

Lithium Benefits for Fishing Kayaks

Lithium batteries offer numerous benefits for your fishing kayak.

Lightweight

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. Plain and simple. 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

No longer do you 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.

Temperature Tolerant

Lithium batteries can handle a wide variety of conditions and are even 2.5x more efficient at low temperatures than lead-acid while being able to safely operate up to 149°F (65°C).

Maintenance Free

Lithium batteries are maintenance free. Lithium batteries last up to 10 times longer than their lead acid counterparts while still providing 80% capacity after 2000 cycles.

​Installation Flexibility

Maximize your kayak’s storage and balance with a compact, lightweight RELiON lithium battery. Mount it in tight spaces or unconventional positions without sacrificing performance.

Rugged & Water Resistant

Designed for the elements, RELiON lithium batteries feature an IP67 waterproof rating, protecting them from splashes, rain, and even brief submersion—perfect for the harsh conditions of kayak fishing.

Top Lithium Batteries For Kayak Fishing

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RB60: 12V 60Ah Lithium Marine Battery

$569.95

Designed for kayak anglers, the RB60 is a 60Ah 12V lithium battery that delivers reliable, long-lasting power for trolling motors, fish finders, and accessories. Weighing only 15.9 lbs, it offers an ideal balance of performance and portability. With advanced LiFePO4 technology, fast charging, and up to 10x the lifespan of lead-acid, it keeps you on the water longer without the extra weight.

Learn More About The RB60
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RB80 12V 80Ah Marine Battery

$749.95

Great for kayak fishing, the RB80 delivers lightweight, efficient power to your fishing electronics. This LiFePO4 battery is lightweight and offers fast charging, plus extended run times—keeping you on the water longer without the extra bulk.

Learn More About The RB80

Select The Right Batteries To Power Your Fishing Kayak

Try out our battery selector tool to calculate your power needs

Lithium Battery Selector

“If you're unsure about switching to lithium, the lighter weight and superior durability make it an easy choice over lead-acid. Since switching to RELiON lithium batteries, I haven’t looked back..”

- Shane LemMon, Bassmaster Pro Kayak Angler

Read About Shane's Kayak Setup
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Why You Should Switch To Lithium For Kayak Fishing

Those who use our batteries in their current kayak setup repeatedly mention the weight, quality, and durability of the batteries. Read how switching to lithium batteries can help your next kayak fishing adventure.

Check Out The Article