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Meet the 12V 180AH HEATED Lithium Marine Cranking Battery from Norsk Lithium® — our largest and most powerful cranking battery yet. Engineered to excel in the toughest marine environments, this advanced lithium marine cranking battery ensures you have reliable power whenever you need it. With Emergency Start Reserve (ESR) and Deep Sleep™ mode accessed via the Norsk Guardian® App, you’ll have peace of mind and extended battery life in all conditions. Featuring triple terminals for easy rigging, this battery offers maximum versatility and convenience for your marine setup.

EMERGENCY START RESERVE 
Never be stranded on the water again due to a dead starting battery! All Norsk Lithium® Starting batteries offer an Emergency Start Reserve that allocates 25% of the battery’s capacity as a reserve available on demand so you’ll always have the power you need to start your outboard motor at the end of a long day on the water. ESR can be activated with the push of the Power Management button on the battery or via the Norsk Guardian® App.

DEEP SLEEP™
Disconnect power to your battery’s terminals using this feature in the Norsk Guardian® app to eliminate fully-discharged batteries caused by phantom draw – storing your battery has never been easier!

THERMAL CORE HEATING TECHNOLOGY
Our proprietary Thermal Core Heating Technology™ checks the temperature of the cells inside the battery and reroutes the inbound current from the charger to warm the cells if the cell temperature is below 32F. / 0C. Once the internal cell temperature has been increased to a safe charging temperature, the current from the charger is routed to the cells so a safe charge can take place. With the addition of full potting with thermally conductive epoxy, custom heat pads, and our proprietary heating control algorithm, NOBODY does heated batteries better!

BCI-COMPLIANT CASES 
Norsk Lithium 12V Deep Cycle batteries are constructed in BCI-compliant cases, ensuring they fit in the same space as a Group 31 lead-acid or AGM battery. This eliminates the need for an oversized proprietary battery tray.

TRIPLE SETS OF TERMINALS FOR FLEXIBLE RIGGING
All Norsk Lithium® Starting batteries offer 3-sets of terminals and the needed terminal hardware (M8 posts & M8 bolts) to make quick and organized work of the most complicated boat rigging jobs.

ONE-TOUCH POWER MANAGEMENT
The Power Management button, found on all Norsk Lithium® marine batteries, allows the user to quickly check State of Charge, and manage advanced features such as ESR and Deep Sleep™ or reset the BMS.

IP67 WATERPROOF
IP67 Waterproof ensures that your Norsk Lithium® Marine Battery is fully protected against dust and capable of withstanding immersion in water up to 1 meter deep for 30 minutes. This high level of protection guarantees that your battery remains operational in the harshest marine environments, providing reliable performance and durability.

NORSK GUARDIAN APP INTEGRATION
Seamlessly manage your battery’s performance with the Norsk Guardian® App. Monitor battery status, control the Deep Sleep™ mode, and access Emergency Start Reserve [ESR] with ease, all from the convenience of your smartphone.

EXCEEDING INDUSTRY STANDARDS FOR OUTBOARD MOTORS
Norsk Lithium® Marine Starting batteries have been evaluated and found to meet, and in most cases significantly exceed, all performance requirements for lithium starting batteries outlined in the Mercury® Marine Performance Bulletin 2022-19R1 released November 2022*

THE NORSK ADVANTAGE
Our batteries stem from the dedication of outdoor enthusiasts relentlessly pursuing advanced rechargeable lithium technology to power their passions. Recognizing the urgency of a robust power source, the Norsk 180AH HEATED Lithium Marine Cranking Battery is designed to endure over 4,000 charge cycles, backed by an exceptional warranty. Enjoy a standard 10-year warranty, plus an additional 2 years when you sign up for the Norsk Guardian® App, ensuring enduring performance. Whether you’re braving the cold on a fishing trip or embarking on an off-grid adventure, you can trust Norsk Lithium® to deliver reliable power when you need it most.