Trolling Motor Batteries

Trolling motor batteries give your boat steady power every time you head out on the water. When your battery can’t last through long trips, it’s time for a reliable replacement.

Impact Battery offers a wide selection of trolling motor batteries for boats of all sizes and fishing styles. Find the right battery to keep your motor running smoothly all day.

Common Signs You Need a Battery Replacement

Knowing when to replace your trolling motor battery can save you from trouble on the water. If your battery drains quickly even after a full charge, it means the cells are no longer holding power like they should.

Weak or slow motor performance is another sign. When the motor struggles to maintain speed or feels sluggish, the battery isn’t delivering steady energy. This often happens after years of use.

Frequent recharging is a warning that your trolling battery might be dying. A healthy deep-cycle battery should last for hours before needing a charge, not demand constant attention.

Look for visible swelling, cracked cases, or heavy corrosion around the terminals. These issues hurt performance and can create safety risks.

And if your battery is over 3 to 5 years old, it’s likely nearing the end of its life. Even if it still works, it won’t perform like it used to, so a replacement is usually the best move.

Types of Trolling Motor Batteries

Trolling motor batteries come in a few different types, and each one has its own benefits depending on how you use your boat. Here’s a simple breakdown:

Lead Acid Battery

Flooded lead-acid batteries are the classic choice for trolling motors. They’re affordable and get the job done. But if you want these batteries to work well, you need to give them a topping of water and clean off the corrosion.

AGM Battery

AGM batteries are sealed, spill-proof, and basically maintenance-free. They handle bumps and vibrations better, which is great if you’re out in rough water. Many anglers choose AGM because it’s tough, reliable, and fairly priced.

Lithium Battery

Lithium batteries are the high-end option. They’re much lighter, charge faster, and last a lot longer than other types. The upfront cost is higher, but they can easily last two to three times longer. It makes the battery work better, as it lasts longer in the long run. 

Deep Cycle Battery

All trolling motor batteries are deep cycle, which means they give steady power over a long period instead of quick bursts like a car battery. That steady energy is perfect for keeping your motor running smoothly on long fishing trips.

Sizing & Compatibility Guide For Trolling Motor Batteries

Picking the right trolling motor battery depends on its size, voltage, and capacity. A battery that’s too small won’t last long, and one that’s too big might not fit in your boat.

That’s why choosing the correct specs keeps your trolling motor running longer and improves performance.

Most trolling motors use 12V, 24V, or 36V systems, depending on how much thrust you need.

The amp-hour rating (Ah) tells you how long a battery will run before needing a recharge. Higher Ah means more time on the water. Dimensions matter too, as smaller boats and kayaks often have limited storage space.

Top Picks for Trolling Motor Batteries

With so many options out there, picking the right trolling motor battery can feel tricky. To make it easier, we’ve rounded up our top picks based on performance, value, and what they’re best for. Each one is reliable, durable, and keeps your boat powered all day.

Best Overall Performance

For serious anglers, the NorthStar Group 31 Dual Terminal Marine AGM Battery NSB-AGM31 ($562.99) is a true powerhouse. Its high capacity and dual terminals deliver steady power all day. Maintenance-free AGM design makes it a worry-free choice for long trips.

Best Value Choice

If you’re looking for a battery with strong performance without costing too much, then the Odyssey ODP-AGM24M Marine Battery ($371.99) is the perfect choice for you. Its long reserve capacity is perfect for longer trips, and the rugged AGM design keeps it durable. This battery balances affordability with reliable power.

Best for Heavy-Duty Use

When you need extra toughness, the NorthStar Group 34 Marine Battery NSB-AGM34M ($464.00) is up to the task. High cold cranking amps and extra durability handle vibration and rough conditions easily. It’s ideal for large boats with high-thrust trolling motors.

Best Lithium Upgrade

The Don’t Die Series LBC50GM Lithium Trolling Motor Battery 36V 50Ah ($2,549.99) is lightweight, charges fast, and lasts far longer than lead-acid or AGM batteries. Perfect for competitive anglers who need top performance every time.

Best for Compact Setups

For kayaks, jon boats, and other small setups, the Lifeline GPL-U1T 12V 33Ah Battery ($185.95) is a perfect fit. Its compact size works in tight spaces, and it still delivers dependable power. A great starter option for casual boaters.

Best Long-Lasting Power

The Lifeline GPL-31XT 12V 125Ah Battery ($528.46) keeps motors running for long days on the water. With huge amp-hour capacity and AGM deep cycle design, it provides steady, dependable power without frequent recharging.

Why Choose Impact Battery for Trolling Motor Batteries

Picking the right trolling motor battery is about trust, support, and getting long-term value. Impact Battery offers reliable products backed by a team that genuinely cares.

• Every purchase supports families and children through our Initiative.

• Most batteries come with 1–5 year warranties and fast replacement support.

• Orders over $50 get free ground shipping across the continental U.S.

• Hassle-free returns and replacements give you peace of mind.

• Our team has 15 years of hands-on experience helping boaters pick the right battery.

Maintenance & Charging Tips for Trolling Motor Batteries

Taking care of your trolling motor battery keeps it reliable every time you head out. A few simple habits can help it last longer and save you from breakdowns.

Charge your battery as soon as you get back from the water. A full recharge right away prevents damage and keeps it ready for the next trip.

Use the right charger for your battery. Smart chargers are best because they shut off once the battery is full. This avoids overcharging and helps extend battery life.

Check the posts now and then to make sure they’re clean and tight. If you see dirt or white buildup, clean it with a brush and a little baking soda. Clean terminals give you smoother power and prevent early wear.

Batteries hate extreme heat and freezing cold. For offseason storage, keep yours in a cool, dry indoor spot to protect it from damage.

If your boat will sit unused for a while, disconnect the battery. This prevents small drains from accessories and keeps the charge steady until your next outing.

And if you’re using a flooded lead-acid battery, don’t forget to check the water levels. Add distilled water if the plates are showing. AGM and lithium batteries don’t need this step.

Still Confused? Talk to Our Battery Now

Just give us a call at (866) 668-3163 and talk directly with one of our battery experts. All you need to share is your boat type and trolling motor size, and we will guide you to the perfect trolling motor battery match.