Norsk Lithium Batteries

Norsk Lithium Batteries: Purpose-Built LiFePO4 Power for Serious Anglers

When you're miles from the boat ramp with a trolling motor pushing against a stiff wind or a forward-facing sonar screen draining power by the minute, the last thing you want to question is your battery. Norsk Lithium was founded by anglers who understood that frustration firsthand, and every battery in their lithium battery lineup reflects that real-world insight. Designed by fishermen and boat owners, every Norsk Lithium battery is built with real-world insight and innovation — from advanced features not found in competing batteries to intelligent engineering focused on performance and reliability.

A Battery for Every Application on the Water

Norsk Lithium covers the full spectrum of on-water power needs. Their catalog spans portable sonar batteries, marine batteries, starting batteries, trolling motor batteries, heated batteries, ice fishing batteries, wheelhouse batteries, and kayak batteries — available in 12V, 16V, 24V, and 36V configurations. Whether you need a compact sonar battery for a kayak or a heavy-duty deep-cycle pack for a tournament bass boat, there's a Norsk solution engineered specifically for that application.

One standout in the lineup is the 16V MAX RT series, designed specifically for power-hungry modern electronics. Norsk Lithium's 16V MAX RT batteries meet the demand of high-power-draw digital units and offer all-day optimal performance, with a 20% increase in runtime and lower amperage draws versus 12V batteries. For anglers running large graph screens and forward-facing sonar, this voltage-optimized approach is a meaningful upgrade over a standard 12V setup.

The Dual Voltage batteries take innovation even further. These batteries provide dual voltage functionality within a single package, featuring two sets of terminals to cater to different power needs — with the 28V terminal specifically designed to help sonar modules run cooler and provide longer run times. Simultaneously powering a 36V trolling motor and a sonar unit from one battery is a game-changer for boat organization and efficiency.

Cold-weather anglers will appreciate the Heated Battery models, which feature Thermal-Core Heating Technology™ with thermally-conductive potting, allowing diehard boaters and anglers to extend their season — safely charging at temps down to -20°C and beyond.

Smart Technology That Keeps You Informed

Norsk Lithium batteries aren't just power cells — they're connected devices. The Norsk Guardian® App provides a Bluetooth connection to Norsk Lithium batteries, allowing you to connect to multiple batteries simultaneously, monitor their health and charging status, and receive real-time alerts to your phone. The Deep Sleep™ feature, accessible through the app, allows you to easily disconnect power from the battery's terminals, eliminating phantom current draws and preventing fully-discharged batteries.

For starting battery applications, Norsk includes a standout safety net: all Norsk Lithium starting batteries offer an Emergency Start Reserve (ESR) that allocates 25% of the battery's capacity as a reserve available on demand, so you'll always have the power needed to start your outboard motor at the end of a long day on the water.

All marine batteries are also built to IP67 waterproof standards, fully protected against dust and capable of withstanding immersion in water up to 1 meter deep for 30 minutes — a level of protection that matters in the real conditions anglers face every day.

Grade A Cells and Industry-Leading Warranties

Norsk Lithium always uses the highest quality Grade A cells , and that commitment to materials is backed by some of the strongest warranties in the category. They offer a 4-year warranty on 12.8V portable sonar batteries (Gen3) and a 4+2 year warranty on 14.8V batteries (Gen3), while all Gen3 marine batteries carry a 10+2 year non-prorated warranty. The additional two years are unlocked simply by registering through the Norsk Guardian® App — a rare gesture of confidence in product durability.

Manufactured under strict ISO 9001 standards, Norsk batteries are built to last. For anglers who demand dependable, feature-rich lithium power whether on open water, a kayak, or the hard ice, Norsk Lithium's battery lineup sets a high bar.