And 100 amp hour rating is a sweet spot for the 48V lifepo4 battery trolling motor battery. A decent lithium battery for trolling motor with 30 lb thrust could cost over $900 (100 Ah capacity), over 3 times the price of a lead acid trolling motor battery with similar capacity. By contrast, the deep cycle batteries are designed to keep the motor running over long periods with continuous, steady, and reliable power. They can be entirely drained and recharged repeatedly, perfect to be used as trolling motor batteries. With a capacity of 76-amp hours, this medium-range battery is ideal for lightweight boats and tandem kayaks. It’s quite heavy, but it’s compact enough to fit most small watercraft.

 

That’s because the size of the battery depends on where you are going to use it. AGM batteries can be big and bulky, especially those with a large charging capacity. If you aren’t permanently installing the batter onto your boat, then it’s a good idea to store it in a cool, dark location. Think of your garage or in the basement, although be mindful of keeping it anywhere too warm – just below room temperature is ideal. We’ve mentioned how certain batteries have the same specifications but one can outperform the other due to superior manufacturing and the VMAX MR127 is the perfect example of this.

 

The overall productivity makes lithium batteries better than other battery types, though. It makes it a perfect choice for kayak trolling (minimal weight and dimensions can fit into the smallest boats), but if you need more power – choose something else. With all the advantages, some lithium batteries are quite specific. Some of them cannot be members of the battery series for more powerful motors.

 

Look under the hood and in the hatch of many of the top professional drivers and anglers, and you’ll find one or more of these iconic batteries. With the beefiest construction and most reliable performance, this classic blue-top marine battery is our favorite overall. Boaters use a deep cycle marine battery to start and run outboard motors or to power a trolling motor.

 

The most common ones are lead-acid batteries, AGM batteries, and Lithium-ion batteries. Lithium batteries, on the other hand, can be regularly discharged to 80% and still last hold the charge after 5 and more years. Remember to factor in any additional electrical equipment that may be using power from the battery while trolling.

 

How To Properly Charge And Maintain Lithium Batteries?

 

You’re limited in how much power you get, taking away some potential of your boating accessories. A deep-cycle battery can run for an extended time and consume only a small amount of energy. The higher the amp hours (capacity of your battery), the longer your battery will perform. These include a longer lifespan, higher cycle life, and better resistance to vibration and shock. AGM batteries are also maintenance-free, meaning you won’t have to refill them like a Lead-Acid wet cell.

 

A 24-volt trolling motor needs two 12-volt batteries, and a 36-volt trolling motor needs three 12-volt batteries. Before you buy a trolling motor battery, you first need to know your trolling motor’s voltage and max amp draw. Think about how a phone battery can drain and recharge a dozen times without dying.

 

For detailed 36/24v trolling motor battery connection and wiring details, check out this guide. Choosing the trolling motor battery is the next important decision after you picked a good trolling motor. Other batteries will need a special charger and can take 8-12 hours to fully recharge. Refer to and follow the manufacturer’s instructions to charge your battery safely and to maximize performance.

 

Buying from the most competent brands ensures you spend less time recharging and more time fishing. [newline]If that’s what you’re looking for, always choose the right type of battery. Lithium deep-cycle marine batteries are designed for high-performance, ensuring reliable power for applications including boats, trolling motors and fish finders. These batteries integrate Battery Management Systems (BMS) to prevent overcharging and extending their lifespan. Offering prolonged battery life, they require less frequent charging, providing more uninterrupted time on the water. Optimizing your trolling motor setup requires lithium batteries that balance capacity, weight, and marine-grade durability.

 

Are Agm Batteries Worth The Price Over Wet Cell?

 

When choosing your lithium battery, make sure its maximum continuous output current is higher than your trolling motor’s maximum Amp draw. A BMS will preserve the lifespan of a lithium battery and ensure its safety. It will protect your battery from a voltage that is too high or too low. It will stop discharging your battery if the temperature is too high or prevent charging in freezing temperatures. Your motor’s current draw depends on the speed you set it to and how heavy your boat is.

 

This feature makes this battery incredibly popular among serious anglers on larger fishing boats. This battery has the power to turn over a larger motor among rough waters. They are under warranty for twelve months from the date of purchase. The company recommends checking your charger and panels to ensure they meet the required wattage. If that does not fix your problem, try charging the battery for fifteen hours and reading the voltage meter.

 

For 24V/36V systems, connect multiple 12V batteries in series using marine-grade wiring. Each trolling motor will be fitted with a 12v AGM deep cycle battery, with low hours of power supply over a long time. CCA rated batteries are cheaper than deep cycle units and they will power your trolling motor but not for long. They are designed to provide large amounts of power over a short period (to start an engine).

 

This way they can be either electrically or manually lifted in and out of the water for use. Because trolling motors are a separate unit from the outboard engine(s), they need to be powered by their own marine battery. Lithium marine batteries also have a much longer lifespan than a flooded lead acid battery, with some models lasting up to 10 years or more, and they are virtually maintenance-free. In put it shortly, the trolling motor group size defines the physical dimensions of the battery case.