Powering your kayak’s trolling motor requires a battery that strikes the perfect balance between runtime, weight, and reliability. The wrong choice can leave you stranded or add unnecessary bulk to your lightweight vessel. With options ranging from traditional lead-acid to modern lithium-ion, selecting the ideal power source is a critical decision for any kayak angler.
This roundup simplifies your search by highlighting the best battery options for 2025. We’ve evaluated key factors like capacity, weight, and durability to help you find a battery that delivers consistent power for a full day on the water, ensuring your focus remains on the catch, not your charge.
Our Top Battery Picks for Kayak Trolling Motors
- Newport 12V50Ah Deep Cycle Heavy-Duty Marine Battery
- Minn Kota Endura C2 Transom-Mount Electric Trolling Motor
- Newport Trolling Motor Smart Battery Box Power Center
- Minn Kota Marine Battery Box Power Center
- Newport NV-Series 55lb Thrust Saltwater Trolling Motor
- Dakota Lithium 12V 100Ah Deep Cycle LiFePO4 Battery
- Ampere Time 12V 100Ah LiFePO4 Lithium Battery
- VMAXTanks VMAX SLR125 AGM Deep Cycle Battery
Newport 12V50Ah Deep Cycle Heavy-Duty Marine Battery
For kayak anglers seeking a reliable and portable power solution, the Newport 12V50Ah battery presents a strong option. Its lightweight design, at just 32 pounds, makes transportation and installation significantly easier compared to heavier alternatives. This is a major advantage when managing gear on a small vessel.
This sealed AGM (Absorbent Glass Mat) battery is built for the marine environment. Its leak-proof construction provides peace of mind, preventing acid spills that could damage your kayak. Designed specifically for trolling motor compatibility, it delivers the sustained power needed for long fishing sessions without adding excessive weight to your setup.
Minn Kota Endura C2 Transom-Mount Electric Trolling Motor
While not a battery itself, the Minn Kota Endura C2 is a complete trolling motor system that defines the power requirements for your kayak. Its 30-pound thrust is well-suited for maneuvering kayaks in freshwater conditions. The robust Lever Lock Bracket offers ten positions and is built from composite materials that resist warping and UV damage.
User comfort is a key focus of this model. The six-inch telescoping tiller allows you to adjust the handle for optimal control while seated in your kayak. With five forward and three reverse speed settings, you have precise command over your movement, making it easier to hold position in a current or approach a fishing spot quietly.
Newport Trolling Motor Smart Battery Box Power Center
Protecting your investment and organizing your power setup is crucial, and the Newport Smart Battery Box excels in this role. It allows you to connect your trolling motor and accessories to external battery ports without needing to open the box, which simplifies operation and enhances safety.
This unit acts as a central power hub with built-in protection. The dual integrated circuit breakers (10 Amp and 60 Amp) safeguard your trolling motor and electronics from power surges. The added convenience of a USB charger and a 12V accessory port means you can easily power your fish finder or charge a phone directly from your main battery.
Minn Kota Marine Battery Box Power Center
The Minn Kota Marine Battery Box is a durable storage solution that also functions as a compact power center for kayaks. Its design provides essential protection for your battery from the elements and potential impacts. The external terminals offer easy and safe access for connecting your trolling motor leads.
A standout feature is the built-in battery meter with four LEDs. This allows you to check your battery’s state of charge at a glance before and during your trip, helping you avoid being caught on the water with a depleted battery. This is an essential tool for managing your power usage effectively throughout the day.
Newport NV-Series 55lb Thrust Saltwater Trolling Motor
For kayakers who frequent saltwater environments or need more power for a heavier load, the Newport NV-Series offers 55 pounds of thrust. This 12V motor is built for efficiency and durability, designed to run all day without overheating or creating excessive noise that could disturb fish.
It includes several user-friendly features, such as a 5-LED battery meter to monitor power levels and a 6-inch telescoping tiller for comfortable control. The motor offers eight speed settings (five forward and three reverse) and is equipped with a three-blade propeller that provides strong low-end torque to get your kayak moving smoothly.
Dakota Lithium 12V 100Ah Deep Cycle LiFePO4 Battery
The Dakota Lithium 12V 100Ah battery leverages LiFePO4 (Lithium Iron Phosphate) technology, offering a superior power-to-weight ratio. It weighs significantly less than a comparable lead-acid battery, which is a substantial benefit for kayak loading and handling. This battery can provide long runtimes for extended fishing trips.
Lithium batteries are known for their long cycle life, often lasting for thousands of charge cycles. They also maintain a consistent voltage output as they discharge, which can result in more consistent trolling motor performance throughout the battery’s charge. This is a premium option for anglers who prioritize minimal weight and maximum runtime.
Ampere Time 12V 100Ah LiFePO4 Lithium Battery
Ampere Time offers another compelling lithium iron phosphate option with its 12V 100Ah battery. It shares the core advantages of lithium technology, including a lightweight profile and a long service life. This makes it a suitable choice for power-hungry setups that require sustained energy without the penalty of heavy weight.
This battery is built with a built-in Battery Management System (BMS) that protects it from common issues like overcharging, over-discharging, and short circuits. For kayak anglers looking for a reliable and maintenance-free power source that can handle deep cycle use, this battery represents a strong value in the lithium category.
VMAXTanks VMAX SLR125 AGM Deep Cycle Battery
The VMAXTanks SLR125 is a robust AGM deep cycle battery known for its durability and high capacity. As a sealed, maintenance-free battery, it is a reliable choice for marine use where tipping or splashing is a concern. Its construction is designed to withstand the vibrations and shocks encountered on the water.
This battery offers a substantial reserve capacity, which translates to longer operating times between charges. For kayakers who have larger kayaks or use their trolling motor extensively throughout the day, the VMAXTanks SLR125 provides dependable power and the ruggedness required for demanding conditions.
What to Look For in the 8 Best Battery Options for Trolling Motors on Kayaks 2025
Choosing the right battery for your kayak’s trolling motor isn’t just about run time; it’s about balancing weight, power, and space on a small, sensitive vessel. I’ve learned that the wrong choice can make a kayak feel unstable and sluggish. So, before you look at the specific 8 best battery options for trolling motors on kayaks 2025, let’s break down what really matters.
First, you need to understand battery chemistry. For years, I used heavy lead-acid batteries, but the shift to Lithium Iron Phosphate (LiFePO4) is a game-changer for kayakers. They are significantly lighter, last much longer, and can be discharged almost completely without damage. While the upfront cost is higher, the performance and lifespan make it a worthwhile investment for serious anglers. If you’re on a tight budget, an AGM (Absorbent Glass Mat) battery is a sealed, maintenance-free lead-acid option that’s safer and more reliable than old-fashioned flooded batteries, but be ready for the extra weight.
Next, consider the battery’s capacity, measured in Amp-hours (Ah). This is its fuel tank. A general rule I follow is that a 100Ah battery will run a 30-40 lb thrust motor at medium speed for a good, full day on the water. For smaller motors or shorter trips, a 50Ah battery might be perfect and save you a lot of weight. Always match the battery’s capacity to your typical fishing style. Don’t carry a massive 100Ah battery if you only go out for a couple of hours.
Physical size and weight are critical on a kayak. A 50 lb battery might offer great capacity, but it will completely change how your kayak handles and sits in the water. I always opt for the lightest battery that meets my power needs. A compact form factor is also a huge plus, as it gives you more flexibility for mounting and storage, keeping your deck clear and your center of gravity low.
Finally, look at the features. A built-in battery management system (BMS) is non-negotiable for me with lithium batteries. It protects against overcharging, deep discharge, and short circuits. Water resistance is another big one. While no battery is fully waterproof, a good IP rating means it can handle splashes and rain. Some modern batteries even come with USB ports for charging phones or fish finders, which is a convenient touch that reduces the gear I need to bring along.
FAQ
What is the lightest type of battery for a kayak trolling motor?
Without a doubt, lithium iron phosphate (LiFePO4) batteries are the lightest option available. They can be less than half the weight of a comparable lead-acid battery with the same Amp-hour rating. This weight savings is a massive advantage on a kayak, directly affecting your stability, speed, and ease of transport. While they cost more initially, their light weight and long lifespan make them my top recommendation for any kayak angler.
How long will a 100Ah battery last on my kayak?
This depends entirely on your motor’s thrust and the speed you use. As a rough estimate, a 100Ah battery can power a 30-40 lb thrust trolling motor for about 2 to 4 hours on its highest setting. However, on a lower, more efficient speed setting that’s perfect for slow trolling, you could easily get a full 8-10 hours or even more. It’s all about managing your power usage throughout the day.
Can I use a regular car battery for my kayak trolling motor?
I strongly advise against it. Car starting batteries are designed to deliver a large burst of power for a short time, not the slow, steady discharge a trolling motor requires. Using one will quickly destroy it. Even a marine “dual-purpose” battery is often too heavy and bulky for a kayak. You’re much better off with a purpose-built deep cycle AGM or, ideally, a lithium battery designed for the task.
Do I need a special charger for a lithium trolling motor battery?
Yes, you absolutely do. Lithium batteries require a specific charging profile that a standard lead-acid battery charger cannot provide. Using the wrong charger can be dangerous and will likely ruin your expensive battery. Always use the charger recommended by the battery manufacturer. Many modern lithium batteries even come with smart chargers that optimize the charging cycle for longevity.
How should I secure the battery in my kayak?
Safety first! A loose battery is a major hazard. I always use a sturdy battery box that is specifically sized for my battery. Then, I secure that box using the kayak’s built-in bungee cords, ratchet straps, or by installing dedicated eyelets and straps. The goal is to make sure it cannot move at all, even if the kayak flips. Properly securing your power source is a fundamental step for a safe and successful trip on the water.