Best Deep Cycle Battery For Trolling Motor Reviews For 2020

Batteries, be it the deep cycle marine or the rechargeable ones, perform best when they are constructed with durability and reliability. When you are just looking for your boat equipment then a performance-oriented battery is the most preferred one.

Many batteries with powerful construction are available in the market. But choosing the right type might be tricky at times, and you can’t blindly rely on the promises made by the manufacturer.

Research and study are required for the same. One of the best ones is discussed and undermentioned in the article. So, let’s dive in to find the best. I am sure after reading this, the selection won’t be difficult for you any longer

Best Deep Cycle Marine Battery - A Quick Comparison


Optima Batteries 8016-103

Optima Batteries 8016-103 D34M Deep Cycle Marine Battery

  • Long-Lasting

  • Easy Installation

  • Reliable and Durable


12V 35AH

12V 35AH Replacement Battery for Light Trolling Motor

  • Powerful

  • Spill Proof Battery

  • Light Weight Design


Vmaxtanks Vmaxslr125

Vmaxtanks Vmaxslr125

  • Heavy-Duty Battery

  • Handled And Unique

  • Easy To Install

Our Top 6 Best Deep Cycle Marine Battery Reviews

Optima Batteries 8016-103 D34M Deep Cycle Marine Battery

The Optima Batteries 8016 is a battery designed with a difference and can be used for dual purpose. A battery that exhibits strength and gives a good start along with long-lasting and strong cranking qualities. Performs great as a boat or RV battery due to their maintenance-free feature and a power source even in the adverse marine conditions. This is supposed to be one of the best products due to its strength and performance par excellence. This comes with spiral cell technology.

  • This one is a 12 V battery with 750 cold cranking amps

  • The measurements are 10 inches x 6 7/8 inches x 7 13/16 inches in height and carries a weight of 43.5 pounds

  • It also features stud posts made of stainless steel and is 5/16 inches with dual SAE

  • This one starts flawlessly irrespective of the bad weather conditions

  • This is of 55 AH C20 capacity, and performs effortlessly

  • More resistance to vibration, and are extremely durable, with 15 times more performance than others

  • This comes with easy installation and can be mounted in any position.

  • The cranking cramps are equal to the marine, 870 amperes

  • Has the efficiency to perform constantly with a reserve capacity of 120 minutes

The Good

  • A reliable and a durable construction

  • This one is made with spiral cell technology

  • Works well in adverse weather conditions

  • A powerful battery that can start an engine in minutes

The Bad

  • Offers only 4 hours of continuous trolling

Universal Power Group 12V 100Ah Solar

The Universal power deep cycle battery is considered to be one of the most durable, versatile, reliable and an extraordinary battery. This AGM battery comes with 100AH capacity, and can work with ease in any challenging condition also. This is supposed to be the best, as can make you start any electronic system rapidly along with much stable performance. This one can power up any boat or RV vehicle and is almost maintenance-free. This battery from Universal performs excellently and delivers consistently as comes with a more reliable charging feature. Once charged, it can go for six months with any need of constant charging.

  • A deep cycle battery that is convenient and more reliable

  • Due to its amazing efficiency this can maintain any trolling motors and solar systems perform best in any situation or condition

  • This has a convenient build and undoubtedly works for hours, is spill proof and comes with least maintenance

  • A vibration free build that comes with more resistance and delivers par excellence

  • This measures 12.17 inches x 6.61 inches x 9.16 inches and comes with a weight of 63.93 Lbs

  • The UB121000 features 12 V and 100 Ah

  • This comes with easy installation feature and can be mounted anywhere

  • Enables great resistance to shocks and any sort of vibration

  • One-year warranty included

The Good

  • A strong and reliable battery at an affordable price

  • Can be mounted in any position virtually

  • This is shock resistant and can manage vibrations

  • More reliable charging and least maintenance

The Bad

  • Can last up to 5 years only while others may do for 10 years

12V 35AH Replacement Battery for Light Trolling Motor

The Mighty Max battery is a powerful battery and is equipped with a calcium-alloy grid making it unique and perform extraordinarily. This is a heavy-duty replacement battery and has a service life in cyclic and float applications. This is manufactured with AGM (Absorbent Glass Mat) technology and has a valve regulated design. This application can be used widely and easily for trolling motors, golf carts, hunting, lawn, garden tools, emergency lighting, power sports, medical mobility and more. This one weighs 23 lbs roughly and is very convenient to use.

  • A battery that is SLA (Sealed Lead Acid) type and comes with almost free maintenance

  • This features dimensions of 7.68 inches x 5.16 inches x 7.13 inches

  • This possesses batteries and screws only, and without any mounting accessories

  • A battery that is spill proof and the discharge rate is high and comes with a deep discharge recover quality

  • A long-lasting battery that is spill proof too

  • Can perform with ease and excellence in low or high temperatures

  • This one is a durable battery and lasts long

  • One-year warranty and a 30-day refund policy

  • Makes many applications perform with super power

The Good

  • A reliable battery, that works excellently for many applications

  • A compact and a light weight design

  • This is a durable one and is spill proof

  • Comes with free maintenance

  • A convenient design with AGM technology

The Bad

  • This is not suitable for large boats as works good as a replacement battery

Optima Batteries 8006-006

Any boat or RV owner will be happy to use the Optima batteries as this exhibits great power by providing a sure start, strong cranking when the situations are unfavorable. These blue top batteries have a unique spiral design which makes them the strongest and a clean power resource. It comes with ensured safety and security for the environment and even your family. It also boasts of a long shelf life as it has high reserve capacity. It provides you with optimal performance whenever and wherever you need.

  • The Optima batteries are 12 V along with 800 cranking Amps

  • This one measures 10″ x 6 7/8″ x 7 13/16″ tall and possesses a weight of 38.4 pounds

  • This one comes with stud posts of stainless steel of 5/6”

  • Also features a dual SAE

  • It has the ability to work constantly for 100 minutes (reserve capacity)

  • Even in the harshest conditions gives a good start

  • Serves as a great battery for boats and RVs

  • A durable one with great resistance to vibrations

  • Comes with free replacement (24 months) in case of defects

The Good

  • A very strong and a versatile battery

  • Comes in a top-notch design for peak performance

  • Features a unique spiral design

  • This one has fifteen times more resistance to vibrations

  • Works with efficiency even in the harshest conditions

  • Can work constantly for 100 minutes

The Bad

  • Not a suitable for battery for deep cycle applications


The VMAX is a deep cycle marine battery that is manufactured with intelligent engineering, and a unique and durable structure of plates. This battery boasts confidently of its strength, uniqueness and powerful performance. This one is far better than the Pb-Ca plates being used in other similar products. It exhibits more electrical advantages than the wet lead-acid batteries as is made with AGM technology. They are popular because of their long life span and resistance to vibrations and shocks. They are better for others as they can recover from deep discharge easily, making it the owner’s favorite.

  • These are non-spill able and non-hazardous batteries

  • The product measures, L=7.7″ W=5″ H=6.1″

  • This one features grids of heavy-duty that assist in better performance and service life in float or cyclic applications.

  • Works well even after repeated discharges

  • A heavy-duty battery that is manufactured with quality lead tin alloys

  • This comes with least maintenance and omits the need of any requirement of adding water or checking of specific gravity

  • The tank is tough enough and sealed properly with tightly packed plates, keeping it more secure and safe

  • It can perform excellently in the harshest of conditions

The Good

  • This one works great for any electronic applications

  • A heavy-duty battery with great reliability

  • Comes with quick recharging quality

  • This comes with 12 V and 35 AH power

  • Performs terrifically, and is safe to use with least maintenance

The Bad

  • Only one problem that is its weight, so bulky (74 lbs), difficult for storage and positioning

Vmaxtanks Vmaxslr125

The batteries by Vmax are certainly reliable and durable, as they are constructed with superior quality and are supposed to be powerful AGM batteries. While on float mode they can easily perform great for about 8 to 10 years, a good life span isn’t it! A battery calculator is also included for calculating the specific requirements of AC and DC. Any harsh or adverse marine conditions and situations can easily be handled with this unique deep cycle battery. For any queries or instructions of storage, the website can be referred to. The weight of the Vmax tanks is 75 lbs

  • This one is a durable construction and a heavy-duty battery with 12 V and 125 Ah

  • This comes with an appreciable life span of 8 to 10 years

  • A safe one to use and the battery cables are manufactured in the US

  • This boasts of 99% recombination capabilities

  • This one comes in dimensions of, L=12.9″ W=6.8″ H=8.7″

  • This doesn’t emit any kind of harmful gases or fumes

  • A charging voltage of 14.7 V is recommended

  • Any pallet delivery requires authentication with sign and contact number

  • The battery comes with a company label along with a hot stamp

The Good

  • A heavy-duty, strong and a reliable battery

  • This performs excellently in any weather conditions

  • A very safe application to use

  • Comes with a long-life span of 8 to 10 years

  • Shows compatibility for combinations, and helps you to have peaceful boat rides

The Bad

  • It is a heavy weight battery and is bulky to use

Tips To Choose The Best Deep Cycle Battery

Choosing the right type of battery comes with added advantages that you can witness while using. You should do a detailed study before choosing the right type and sized battery as per your requirement.

Battery Ratings

 The reserve capacity and the ampere-hour rating are supposed to be the most important things to be thought of while assessing the battery ratings. The batteries with good ratings perform better and last longer. Before shopping a deep cycle battery. Just consider the needful.

The Size Of The Battery

We all know that batteries of different sizes are available in the market, but the application for what that is required for is at your discretion. Varied sizes such as 27, 31, 6D are available, giving you the flexibility to choose the right. Along with the battery size the size of the cell is also required to be assessed as this is connected closely with the power holding capacity and the battery’s output.

The Weight Of The Battery

After reading about the different kinds of batteries, you might be clear and aware that the weight of a battery plays a vital role before going for your purchase. Absorbed Glass Mat (AGM) batteries are a bit heavy but deliver marvelously. You can always go for a battery that is best suited for your needs.

In case you are looking for a design that is lightweight and efficient, then the single battery is more preferred. This entirely depends on what and how long you want to change a thing.

If it’s for your boat then you need a battery that is heavy-duty and can give a great performance on float even after getting discharged, using the reserve. A little heavy will perform better for this.

The Date Of Manufacture

The date when the battery was manufactured and its usage are directly linked with each other. For example: if you buy premium quality and an efficient battery today, and put a bit to use after 1 year, do you think it will perform the same as was manufactured? The efficiency will surely be affected and it won’t perform with the same excellence and efficiency.

It is but obvious and sure that the battery will perform at its best when it is manufactured and used. In the other case if you are buying a second-hand battery then you have to consider its date as the cells lose their effectiveness with time.

It is crucial to see the date of manufacture for best results along with the reserve capacity of the battery. The batteries that don’t have old manufacturing dates and are new or six months old then their performance is bound to be effective and can give a good start to your machine.

The Design And Maintenance Of The Battery

The lead-acid batteries require a regular maintenance than the AGM constructed ones. The batteries that are having new cells come with zero maintenance and are preferred by many boats or RV owners. The right type of design will determine the maintenance, and provide you more ease and comfort.

Other Special Functions

Most of the batteries can be installed virtually in any position you want. As some are waterproof and have to be inverted before use. The deep cycle batteries featuring thicker plates prove to be better and can work well for deeper cycles. Buy a one that brings you convenience and makes your life easy.

All these factors will greatly help you in choosing the battery you want for better start and performance of your equipment.

The Wrap Up

So, now you can choose with ease and confidence as your search ends here. Go for a deep cycle battery that is best suited for your boat or RV. A sturdy or durable construction battery will prove of great help and also give you peace of mind simultaneously.

Just check them out and choose the best! Hopefully, this article gives you enough space and directs you right. We have tried to stir up everything in a proper way. So, you can make the most of it and make things turn simple for you.

Frequently Asked Questions

Q 1. Deep Cycles Vs Marine Batteries

The marine batteries are basically the ones that work as a starting battery. They can also be a dual purpose or deep cycle. The deep cycle batteries are supposed to be the ones with heavy or coarse plates that are made of lead or sponge for providing them more durability. Marine batteries can be considered a hybrid though.

Q 2. What Is The Life Of A Deep Cycle Marine Battery?

The deep cycle marine batteries can go for 1 to 5 years with ease and good performance. Though the AGM batteries last long and can have a lifespan of about 10 years also. The longevity of a battery is directly linked with the type of battery you choose along with the features it possesses.

Q 3. Deep Cycle Vs Cranking Batteries?

If we talk about the structure then the main difference between the deep cycle and cranking batteries is that of the lead battery plates and the separators being used. The deep cycle batteries are manufactured with thick and coarse plates and separators making them more powerful and strong and helping them to keep corrosion-resistant.

Q 4. Does A Boat Need A Deep Cycle Battery?

If you own a trolling motorboat or high-performance equipment then only the need for a deep cycle battery arises. If you have a starting battery with a 182 minutes reserve capacity then they are more or less equivalent to a deep cycle battery. You choose a dual purpose battery for your boat.