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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.
Marine Batteries
Golf Cart LiFePO4 Battery
- Topband injection mold
- Dimension: 260*180*272 (standard GC2 size)
- IP67 ABS housing
- External Bluetooth module (Optional)
- External SOC moudule (Optianl)
- 2 * LED Indicators
- 2 * COM ports (RS485/CAN)
- 1 * ON/OFF button
- 1 * Relief valve
- Certification: Cell: (Topband Prismatic) UL9540A, UL1642, UL2580, IEC62619, ROHS, UN38.3, MSDS Pack: UL1642, UL2580, UL2271, UN38.3, MSDS
- Offers high energy density
- 4000+ Charge cycles
- Safety
- ECO-friendliness
- Fast charging
- Lightweight
- Long-lasting
- Stable and sustainable power
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
Marine LiFePO₄ Battery
Marine LiFePO₄ Battery give a bust of power to your engine when you start your boat and starting marine batteries are getting your boat going and built to tackle the severe conditions. Once the engine starts, the alternator takes over to give power and recharge the battery.
Golf Cart LiFePO4 Batteries
Our Golf Cart LiFePO4 Battery bring the power to your trolling motor and other accessories for extended periods. These lightweight batteries can hold a charge for years without maintenance and recharge 3X faster than lead-acid batteries and deliver constant performance with each charge that lasts 10 times longer than AGM batteries.
Marine Cranking Lithium LiFePO4 Batteries
Our Marine Cranking Lithium LiFePO4 Battery serve all the cranking power of a traditional starting battery plus the continuous discharge of a deep-cycle battery. Best for compact settings on smaller vessels that lack room in the battery compartment for two separate batteries without skimping on power.
LiFePO4 Batteries for RV
Our LiFePO4 Batteries for RV are built tough to handle the rigors of the marine environment, and the construction itself stands against wave-induced vibrations and shocks that could harm normal batteries. Our NBS watercraft batteries are compatible with any recreational watercraft, are easy to install, and can be mounted easily at any angle.
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.
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
(4.7/5.0)

National Battery Supply
(4.7/5.0)
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!
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.
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!
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.
How often do I charge my marine battery?
You should charge the battery after every trip or when the charge drops below 50%
How do I store a marine battery in the off-season?
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.
Should I disconnect my marine battery when not in use?
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.

National Battery Supply is a reputable manufacturer specializing in custom battery solutions. With over 20 years of experience, we can manage all your power needs.
Batteries
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