Power Your Aquatic Adventures

4,817 Published by BSLBATT Aug 19,2019

Move Over Lead-Acid: Three Ways A Lightweight Marine Lithium Battery Improves Your Boat’s Performance

Cruisers, racers and anglers want to spend as much time on the water as possible. Long-lasting BSLBATT lithium iron phosphate (LiFePO4) batteries fit all types of watercraft and deliver the dependable power for everything you need, from punching your holeshot in competition to running your A/C at the dock.

Batteries for your watercraft serve two basic purposes: to start up a gas-or diesel-fueled engine, and/or to power an electric motor or other electronics on your boat. In either situation, you want a battery that lasts for years, and one that’s reliable every time you leave the dock.

As you research the best marine battery for your watercraft, there are certain qualities you should look for in your power solution. One of the most important of those qualities is weight.

Heavy lead-acid batteries drag your boating speed and performance down. When you have a small boat, a heavy battery also reduces your fuel consumption efficiency. Instead, you need a lightweight marine battery that’s optimized for high performance.

Rechargeable deep cycle lithium iron phosphate (LiFePO4) batteries are one-third the weight of lead-acid alternatives. In addition to providing benefits such as higher capacity and more runtime between charging, lithium batteries offer many advantages out on the water due to their lighter weight. Here’s three ways of choosing lithium technology to power your marine vessel improves your boat’s performance:

BSLBATT lithium batteries factory

1. Boosts Fuel Efficiency

When you increase your boat’s fuel efficiency, you save time because you don’t have to take as many trips to the fuel dock. You also save on fuel costs, especially if you’re out on the water frequently. Additionally, the less fuel you use helps reduce your carbon footprint by decreasing emissions.

If you’re like most boat owners, you’re going to carry gear and supplies onboard when you’re going out. Lures, tools and cases of beverages all add up in terms of extra pounds. One of the easiest ways to improve fuel efficiency is to reduce a boat’s weight. With a lightweight lithium battery, you don’t have to sacrifice as much of your gear to achieve greater fuel economy.

2. Increases Speed

Heavy lead-acid batteries only slow your boat down. Extra weight causes your boat to displace more water as it moves, which means it must use more energy to push through the water. As a result, you can’t travel as fast. Being lower in the water also increases drag and inhibits acceleration.

While heavier boats have more momentum, this benefit is usually only helpful under poor weather conditions. Plus, after your boat stops, it takes more energy to get back up to speed. All-in-all, it’s better to keep your boat as light as possible.

3. Reduces Draft

You’re able to reduce the distance between your boat’s lowest point and the surface of the water when you’re running lithium technology. Boats with small drafts are able to navigate shallow waters, allowing you to access out-of-the-way ports or even take your boat right up to the beach.

BSLBATT lithium batteries

Lithium Benefits for Marine

BSLBATT lithium batteries are built to last and designed to perform. Lightweight, durable and maintenance-free, our batteries charge quickly, store safely, and withstand the harshest temperatures and conditions.

Drop-in Replacement

BSLBATT lithium batteries are available in a variety of BCI standard sizes for easy drop-in replacement. Looking for a custom solution? No problem! Our engineering team can design the best system for your needs.


BSLBATT lithium batteries provide more power than traditional lead-acid batteries and are typically half the weight. This makes for better acceleration and more agility on the water.

Constant Power

BSLBATT lithium batteries provide long-lasting energy for all your marine needs, so run the A/C, the fish finder or the trolling motor and know that you have ample reserves.

No Maintenance

BSLBATT lithium batteries are maintenance free – no watering; no corrosion. In addition, they can be charged more quickly using a standard plug-in, alternator, generator, or solar system. Partial charging does not affect performance, and a low self-discharge rate means worry-free storage.

Temperature Tolerant

BSLBATT lithium batteries are designed to perform in harsh conditions–freezing cold, scorching heat or rough waters.


BSLBATT lithium batteries are the ultimate clean energy. No gassing, no fumes and no pollution. Enjoy reliable power, while protecting the environment, using these non-hazardous batteries.


BSLBATT lithium batteries are available in a variety of BCI standard sizes for easy drop-in replacement. Looking for a custom solution? No problem! Our engineering team can design the best system for your needs.

High Performance

Built to last, designed to perform, premium BSLBATT lithium batteries deliver unsurpassed performance on the water. We back this claim with a comprehensive, 5-year warranty.

When you want to improve overall performance, switching to a marine lithium battery is less time- and cost-intensive alternative to power your watercraft. It’s like getting a new and improved boat simply by changing your power source!

“BSLBATT lithium batteries offer the best value on the market. Simply put, these batteries are lightweight, fast charging and long-lasting, and they’re available in standard and custom sizes to fit just about any system. In addition, BSLBATT’s attention to safety and customer service is excellent. Racers and cruisers, alike, will love the power and performance of BSLBATT’s marine batteries.”

BSLBATT lithium marine batteries

We Can Build a Custom Marine Solution for You

With a custom battery from BSLBATT, you never have to compromise by using a stock battery that doesn’t fit or produce enough power to keep you running at top capacity. If you’re having trouble finding the ideal battery for your needs, we can engineer one to ensure proper chemistry, system design safety and communications.

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