Best Trolling Motor Battery – Reviews & Buyer’s Guide

Last Updated on January 28, 2021 | by

A trolling motor is known as an independent unit, along with a propeller, and an electric motor. The motor remains fixed to the angler of a boat. These motors usually run through battery power. For this reason, an excellent trolling motor battery is highly essential for a fishing boat. A battery with good potential is required while you are in the water for a longer period. For a water vessel, a trolling motor battery is the most crucial part.

For your trolling motor, you have to know every detail of the battery as well as its advantages. In this article, you will know a comprehensive idea of choosing the best trolling battery along with this the details of best trolling motor batteries. Along with that, you will come across with the best ones available in the market.

You do need deep cycle batteries to attain the best performance from your trolling motor. And these deep cycle batteries come with a short-cycle and provide excellent power backup and performance. These heavy duty batteries are quite different from normal vehicle batteries.

5 Best Trolling Motor Battery Reviews

The function of every trolling motor is quite the same, but they are quite different from each other regarding performance and features. There are lots of brands and varieties of trolling motors available in the market. So it is quite a tough work to choose the best one.

1. Optima Batteries 8016-103 D34M BlueTop Starting and Deep Cycle Marine Battery

The Optima batteries come with a 43.5-pound weight along with a capacity of 12 Volt. This 750-ampere battery has dual SAE and it can function for 120 minutes in one go. Optima trolling batteries are quite robust and come with a vibration resistant feature.

Optima is furnished with a blue top battery, which is used during deep cycle operations. The high-end technology known as the spiral cell in this battery is used for extra running time, quick recharge and for enhancing the battery life. It also minimizes the damage issues of the battery as well as the plate movement. Another important feature of this trolling motor is its water resistance ability. The sealed case feature of this battery makes it totally maintenance free. It is free from leakage and completely safe. This sustainable battery is easy to handle and quite flexible.

You can keep this battery due to its outstanding safety feature. You don’t have to concern during your travel as well. You can keep Optima trolling motor batteries for a longer time due to its less discharge rate. It doesn’t have any issues due to low temperature.

Optima is quite suitable for smaller boats with a trolling motor of 30-35 lb. The recharge rate is quick due to low internal resistance. Due to this no leakage feature you can put it at any angle in your boat. These batteries come with high energy storage capacity. These AGM type batteries are not prone to heat during high voltage and offer high-quality performance.


  • Fast Charging
  • Easy Set up feature and any angle
  • Spill-proof
  • Maintenance-proof
  • Not much concern about overcharging
  • Good starting


  • Use of wrong charger can instigate the overheating issues
  • Have to follow the proper instruction for battery charging

2. VMAX MR127 12 Volt 100Ah AGM Deep Cycle Battery

VMAX MR 127 comes with a 12 Volts capacity with a deep cycle feature. This 100-ampere trolling motor battery is also equipped with AGM technology. VMAX MR 127 battery is suitable for those boats having a thrust of 40-100lb. The construction of this lead battery is quite good and last for 8 to 10 years. The battery comes with a combination of lead and tin and offers a high-class performance to your boat along with longer lifespan.

These trolling motor batteries can be used in your household needs and to run your electrically-operated vehicles as well. VMAX MR 127 battery comes with a good suspension system and provides non-toxic. This durable battery is maintenance-free and one of the best all-rounder battery for sure. It offers good profitability along with good power percentages.


  • Long lasting
  • Fast-charging
  • Sturdiness


  • Quite expensive
  • To access the effective performance a power kit is highly necessary

3. Mighty Max Battery 12V 55Ah Power Boat Pontoon Electric Trolling Motor Deep Cycle Battery

The Mighty Max ML35-12 is one of the most economical glass mat trolling motor battery. It comes with a spill-proof feature, so there is not any difficulty to set up this battery. Mighty Max is suitable for smaller boats and other applications and comes with a weight of 23 lbs.

It is a smaller battery and comes with lesser power as compared to other trolling motor batteries. With an ampere-hour of 35 ampere hour, this battery can last up to seven hours. Because of low power feature, it can be used in smaller boats with 14 footers. The battery is quite compact in size and comes with a dimension of 7.68×5.16×7.13 inches.

These batteries come with a specific warranty period, so there is not any problem to use this in your smaller boats. But the thing is to take this battery into action with smaller kayaks only and use this for a minimal period.


  • A good average time during operation
  • Can be placed at any angle
  • Excellent resistance power to any sort of vibration and shock
  • Lightweight
  • Goes well in any temperature


  • Full charging time is quite high up to 30 hours

4. Universal UB121000-45978 12v 100AH Deep Cycle AGM Battery

If you are looking for a top-rated deep cycle battery, then Universal is the best trolling motor battery. With an ampere-hour of 100 ampere hour, this battery is quite useful for your boat as well as an electrical storage battery. The key features of this battery are its faster recharging option along with enhanced performance. And this is possible due to the AGM technology.

This battery is exclusively for deep cycling and comes with a maintenance-free choice. This efficient battery discharges less than three percent of its volume while not in use. For your better convenience, it comes with a warranty of one year for any sort of defects during one year warranty on the backup.

Due to its minimal battery consumption feature, it goes well with home solar energy systems. Performance wise, this trolling motor battery is quite efficient and goes well with smaller motors due to the 100-ampere hour. Within a time frame of 10-12 hours, it can hit the full capacity mark. Whereas, its AGM technology enhances its performance. It comes with a fair price and quite right because of its features and quality.


  • Long Lasting
  • High resistivity to shocks and vibration
  • A good running power


  • High maintenance

5. Interstate Sealed Lead Acid (AGM) Deep Cycle Battery

Interstate sealed trolling motor battery is another deep cycle battery which is typically for smaller trolling motors. This compactly sized battery comes with 35 Ah ampere-hour and equipped with absorbent glass mat technology. And for this reason, it is completely maintenance free and offers a consistent performance in the long run. With a weight of 23 lbs, this trolling motor battery is known as the smallest deep cycle battery in the market.

It comes with a quick charge feature, so you can rely on it for regular use. You can put it in any position in your boat due to the excellent safety features. The outer shell of this trolling motor battery is made up of the thick and solid plastic body. So you don’t have to be worry regarding any types of damage during boating. So if you are in need of a portable and lightweight trolling motor battery, then Interstate Sealed is the best option.

Irrespective of its weight and dimension, this battery offers powerful performance to your boat and kayak. It comes with a warranty of one year with a money back guarantee option. And in case of any defect in the battery, you can opt for a replacement as well in between twelve most without any extra cost. But while choosing this keep this in your mind that this trolling motor battery is only for small trolling motors. It is definitely a superb option if you are searching for an economic one.


  • Compact and lightweight
  • Fast-charging
  • Plastic outer body


  • Small size battery
  • Not versatile


Best Trolling Motor Battery Buyer’s Guide

How to Choose the Best Trolling Motor Battery

While going for best trolling motor batteries, you have to be concerned about various aspects. Here we have highlighted those crucial points, which will be easier for you to check before choosing the best one as per your requirement.

  • Amperage Hour Rating

It is highly essential to check the Amperage Hour Rating of a deep cycle trolling motor battery before buying. This is the fundamental aspect which provides the power to a battery to run efficiently. It is more like the fuel. The more Amperage Hour Rating, the more efficiency of your battery will be. So choose a trolling motor battery what comes with an Amperage Hour Rating of 100 as a minimum.

  • Size

It is always important to know the required size of your trolling motor battery. If you have a requirement of a trolling motor battery for your smaller boats, then you have to go for a group 24 battery with 70-85 amp per hour with a 12V voltage. It offers an excellent runtime to your motor. But if your boat is somehow more significant, then opt for group 27 battery which comes with an 85-110 amp per hour. With this, you can attain the better run time. And finally, for bigger bass boats, you have to choose a group 32 battery for better performance and better run time.

  • Lifespan

All those batteries come with a different lasting period. A Wet-Cell battery usually keeps up for a period of two and a half years if you use this regularly and with proper charging. Whereas, the lifespan of an AGM battery is around three to four years. In this regard, the Lithium-Ion batteries come with an existing period of ten years. To acquire the exact lifespan of a specific battery you have to use it properly and store it in a dry place.

On the other hand, a float cycle battery offers you more life than the deep cycle battery. Deep cycle batteries require regular charging. But for a trolling more a deep cycle battery is more useful as compared to the other.

  • Vibration & Shock-proof

You have to be extra careful while choosing the best trolling motor battery for your fishing. Always avoid the battery that is prone to spillage, as it will lead to lots of misfortune. The Lead Acid batteries are highly dangerous due to its high acidity level. And during your journey, you will come across the rough seas, so that could lead to the shaking of your batteries. For these reasons always watch out for a battery which is spill-proof and not prone to vibration. In this case, AGM batteries are quite advantageous.

  • Ease of use

While looking for the best trolling motor battery, always go for the one which is user-friendly and simple. A trolling motor should come with an easy to install and easy to use the feature. The ease of use feature avoids any sort of malfunction or assistance from an expert at an extra cost.

  • Versatility

The versatility of a trolling motor battery offers a long-lasting as well as a reliability feature to any user. Trolling motor batteries with versatility can be used for other onboard gadgets apart from charging a trolling motor. And with this, you can handle your boat being on the sea.

Types of trolling motor batteries

One of the important things to watch out for is undoubtedly the type of battery. Usually, there are two types of batteries (deep-cycle 12-volt) available in the market which goes well with a trolling motor. They are Lead Acid Wet-Cell and AGM batteries and Lithium-Ion batteries.

1. Lead Acid Wet-Cell

A lead Acid Wet-Cell battery is quite widespread and gets draining within a small period of time. You have to charge these batteries on a regular basis. The drawback of these batteries as follows:

  • Requires maintenance
  • You have to refill water in some interval
  • There is a chance of leakage on every occasion

2. AGM Batteries

AGM stands for Absorbed Glass Mat. An AGM, deep cycle battery lasts for three to four years, which is quite higher as compared to conventional deep cycle batteries. The advantages of AGM batteries over Lead-Acid Wet-Cell batteries as follows:

  • These batteries come with greater life span and excellent performance.
  • AGM batteries come with a high price tag, but its superb performance and maintenance free feature makes it the best choice for trolling motor.

3. Lithium-Ion Batteries

Lithium-Ion batteries are quite light as compared to Wet-Cell and AGM batteries. They are the high-performance batteries but come with a high price tag. Lithium-Ion batteries are quite standard in your day-to-day life due to its uses in almost every electronic device. The key advantages of these batteries are the fast charging option, lightweight and last for long. These types of batteries are used by the anglers and quite good for contests. Lithium-Ion batteries offer excellent speed and faster charging option to your trolling motor. You can use these types of batteries if you want to save your precious time, but you have to overlook the price.

Final Thoughts

A trolling motor battery is the best alternative to your primary source of power during fishing or boating. With an efficient and powerful trolling motor battery you can run your trolling motor at any time as per the requirement.

Here we have summarized some of the best trolling motor batteries along with a guide to choose the best one by considering some crucial aspects. Hope this will guide you to find the best trolling motor battery for you. Enjoy being in water without any hassles.

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