Marine Batteries

Our NBS marine batteries are engineered for life on the water, which actually provides dependable power with corrosion resistance and deep-cycle capability that are made to handle the demands of marine environments and keep your boat performing reliably through every adventure. For boaters, NBS serves a superior solution with our premium Lithium Iron Phosphate (LiFePO4) batteries, which are built for marine applications.

More Durable
0 x
Fast Charging
0 HR
Power Leakage
0
Charge cycles
0 +

Marine Batteries

Golf Cart LiFePO4 Battery
Add to Wishlist
Compare
marines

Get Ready For Boating Season With Marine Batteries

National Battery Supply delivers high-quality batteries to start your boat navigation devices, lights, and engine. Whether you need a deep-cycle marine battery, trolling motor battery, starting battery, or both. Our lineup of high-quality batteries is built to withstand the harsh conditions of the open water.

Get the durability and longevity you want when the water calls with NBS. Whether you’re an expert mariner or a weekend adventurer, our marine batteries are engineered for your watercraft and recreational vehicles, which is essential for a successful outing.

Benefits of Lithium Marine Batteries

Our NBS lithium marine batteries come with multiple benefits that are lightweight, durable, and maintenance-free, and are able to charge fast, store safely

  • Our Lithium batteries are much lighter than other regular lead-acid batteries, which improves your boat’s performance and handling.
  • Can store more high-energy in a smaller and compact size.
  • Our marine batteries run smoothly in any temperature, from extreme heat to freezing cold
marines

Power up Your Sailing Adventures With Our NBS Marine Batteries

With advanced onboard tech, our marine deep cycle batteries serve corrosion resistance and longer run time to withstand harsh conditions.

Marine Batteries Applications

Our marine lithium batteries are best for a yacht because of the deep discharge capacity. That allows you to distribute to other power equipment like air conditioners and thrusters.

The consistent power of our marine batteries is needed for the fish finder, sonar systems, and other electronic systems for successful fishing trips.

Marine batteries are the cornerstone of propulsion systems that are built to serve clean energy and eco-friendly operations.

marine batteries applications
marine barrery

How To Choose The Right Marine Battery?

Consider the following right marine battery

Marine Cranking Amps (MCA): MCA measures the battery capacity to start an engine at 32 °C

Amp-Hours (Ah): Amp hours indicate the battery’s capacity to deliver the current period over time.

Reserve Capacity (RC): RC decides how long the battery supplies output power before its voltage drops.

Size of the Battery: Consider the battery dimensions to check your boat battery compartment

Get Lithium Marine Batteries For All Types of Boats

Our (LiFePO4) batteries are built in all types of watercraft boats and give dependable power for lasting performance and keeping you in the water longer. 

What Our Clients Are Saying

national battery supply battery manufacturer logo

National Battery Supply

(4.7/5.0)

national battery supply battery manufacturer logo

National Battery Supply

(4.7/5.0)

Sarah J. Sarah J.

I've been using these LiFePO4 batteries in my RV for over a year now, and they're absolutely incredible! They last 3x longer than my old lead-acid batteries and charge so much faster. The peace of mind knowing I have reliable power for extended camping trips is priceless. Best investment I've made for my RV setup!

Mike T. Mike T.

During the recent power outage that lasted 18 hours, this 3000W pure sine wave inverter kept our refrigerator, lights, and essential electronics running perfectly. No noise, no issues - just reliable backup power when we needed it most. My family felt secure knowing we had this backup system in place.

Jennifer L. Jennifer L.

This portable power station saved our outdoor wedding! When the venue lost power 2 hours before the ceremony, we were able to run the sound system, lighting, and catering equipment without missing a beat. Quiet, reliable, and powerful enough for everything we needed. Our guests had no idea there was ever a problem!

Dave K. Dave K.

These portable solar panels have been a game-changer for our camping adventures! We can charge our phones, tablets, and portable battery pack completely off-grid. They're lightweight, fold up compact, and work great even on partially cloudy days. No more cutting trips short because our devices died - we now have unlimited clean power wherever we go!

FAQ’s

How long do marine batteries last?

A marine battery can last between 3 and 5 years, which actually depends upon your usage and charging needs.

You should charge the battery after every trip or when the charge drops below 50%

To store your marine battery in the off-season, disconnect it and store it in a cool and dry place. Also, you can use the maintenance charger or trickle charger to keep it topped up for long storage duration.

Yes, you should disconnect your battery as it will prevent parasitic drain and keep your battery charging level up to date.

Request more information

National Battery Supply delivers dependable energy storage solutions tailored to commercial, industrial, and government applications. Our catalog ranges from custom battery manufacturing and UPS systems, portable power stations, to high-capacity solutions like whole-home battery energy storage systems (BESS) and scalable containerized energy storage units- engineered for reliability, flexibility, and rapid deployment.

We support critical infrastructure, telecom, data centers, healthcare, and remote operations with power systems built for performance in demanding environments. Whether it’s deep cycle batteries, lithium forklift replacements, OEM portable power kits, solar backups, and large-scale energy storage systems. We provide tailored solutions with short lead times, custom branding, and bulk pricing.

Our team also specializes in helping integrators, resellers, and developers source complete battery systems for residential microgrids, off-grid power stations, and industrial container setups. Whether you need to back up a home, energize a remote site, or manage facility-wide loads, we have the scalable energy storage options to match.

Contact us today to learn how our advanced power systems can reduce downtime, extend operational capacity, and support your long-term energy goals.





    Inquiry