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11 Best Trolling Motor Batteries 2025

Whether we’re talking about Marine Battery the motor running it, the trim of the motor underway, or weight distribution, each plays a factor in how the boat will drive. This battery costs just $74.99 and comes with a one-year warranty. If you’re searching for a small, budget-friendly AGM/SLA battery, consider purchasing a Weize. Check out the Optima if you’re looking for an easily mountable dual-purpose battery for your boat.

 

Battery Warranty

 

We recommend using at least a 100 ampere-hour rating, group 27 rating, and 175 minutes of RC(Reserve Capacity). Here is a table for you to pick the right trolling motor battery according to the size and the voltage or Amp/ hour. Note that the Optima isn’t rated by amp hours, as the spiral cell technology involved doesn’t carry over to this conversion method. Rest assured, the Optima will outlast any regular plated battery in its own class.

 

How To Choose A Trolling Motor Battery – Factors To Look For

 

While this calculator offers numerous advantages, it also has limitations that users should be aware of to ensure balanced decision-making. The Minn Kota Ulterra motor is my personal favorite extremely lightweight brand to use with Humminbird electronics. The Ulterra has a range of advanced features, including Auto Stow/Deploy, which allows you to easily raise and lower the motor with the push of a button. [newline]This isn’t a major added time-suck, but wet batteries do require slightly more care than other types.

 

Avoid errors like misreading battery labels or neglecting other power-consuming devices that might affect the total current draw. Using the Marine Battery Runtime for Trolling Motors Calculator strategically can prevent unexpected battery depletion. For instance, frequent boaters can leverage this tool to optimize their battery usage during prolonged trips or when planning a route that demands extended periods of motor use. This is something to think about when you’re deciding how large a bank of batteries to run, and it can really help justify the added cost of lithium-ion batteries. Even well-cared for batteries take a beating from the summer sun, and high temps will definitely reduce their capacity.

 

Interstate Batteries Dcm0035 – Best Trolling Motor Battery For A Small Motor Review

 

At the same time, you are warned that if you run your motor at high speed (over 85%) for a long time, it could damage your motor. Many lithium batteries are rated at 1c, which means the maximum discharge current is equal to its capacity. For example, a 60Ah lithium battery can be discharged at 60 Amps. A lithium battery can keep your trolling motor at the same speed for almost twice as long as lead-acid batteries of the same rated capacity. Today, we discuss the pros and cons of having lithium batteries on board and what you should know before buying one. We also review popular LiFePO4 batteries used with trolling motors today.

 

Before making a purchase, make sure you research the battery’s lifespan if it works well in the long run as the battery can be an investment. These batteries are easily installed and have a long standby life with a good performance rate. Trolling motor batteries have various properties and are of different types. It sustains the amount of power needed for fishing trips and is essential to avoid battery failure. Customers appreciate that the battery is lightweight, with one mentioning it’s convenient to transport. The key difference between the NP and the NP is its smaller size – 355 x 197 x 284 mm – the consequences of which are 23% less power and a corresponding price tag reduction of 31%.

 

What many folks don’t know is that 36V controllers are made to work in 36V environments and give you way more leeway in one battery degrading your whole system. First, you have to understand in parallel or series systems, when one battery goes down, the whole thing is down. If, on the other hand, you want a light and high-performing battery that will last you many years, lithium is the way to go. I recommend you also read reviews and learn about other users’ experiences with customer support. It’s great if you know you can pick up your phone and get any advice you may need. In this case, your motor shouldn’t draw more than 60 Amps, preferably closer to 50 Amps.

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