If you are reading this article, it means you are looking for the best marine battery for your boat. It is a very daunting task to go through all the technical specification of batteries and select the best among them.
There are a lot of factors you need to take into consideration before choosing any marine battery such as what kinds of battery do you (For ex. Cranking battery, Deep cycle battery or Dual purpose battery) OR what group of battery you need for your boat (For Ex. Group 24, 27, 31, 34 or 37) OR How much power output do you want from your battery.
To help you solve this problem we have tested many marine batteries according to its different features, types, and ratings.
After rigorous testing, we came up with the list of Best Marine Batteries in 2019.
| VMAX MR127 Marine Deep Cycle Battery (Best for 40 to 100-pound boats)
| VMAX V35-857 AGM Deep Cycle Battery (Best for 18 to 35-pound boats)
| Mighty Max 12V-55Ah Deep Cycle Marine Battery
| Mighty Max 12V-35Ah SLA Deep Cycle Battery
| Odyssey 31-PC2150S Marine Starting Battery
| Odyssey 31-PC2150S Marine Starting Battery
| Odyssey 31M-PC2150ST-M Marine Dual Purpose Battery
| Optima BlueTop D34M Starting and Deep Cycle Marine Battery (Best Group 34 Battery)
| Optima BlueTop D31M Starting and Deep Cycle Battery (Best Group 31 Battery)
| Optima BlueTop D27M Starting and Deep Cycle Battery (Best Group 27 Battery)
Best Marine Battery Reviews
VMAX is best-known for producing high-quality and reliable products.
Their chemical and physical structure of the plate is unique and uses advanced technology to increase its life span, on top of that its repeated deep discharges make it stand out from other products.
The 100Ah of power will run your boat for hours so you can concentrate on your fishing or just enjoy the ocean while roaming around.
VMAX uses the Electrolyte Suspension System which makes this battery more reliable and increases its life expectancy. Because of this, you will see improved performance and battery will come to life even if it is repeatedly deep discharged.
The non-spillable AGM (Absorbed Glass Matt) technology of this battery absorbs the electrolyte and contains it within the inner areas. Because of this, the electrolyte will not spill out even if it is subjected to heavy shocks or vibrations.
This battery will fit any group 27 battery box, and it is best suited for MinnKota Trolling Motor Power Center.
By utilizing massive 100Ah power, you can go off-grid for many days, and with onboard charger/solar power, you can do heavy fishing without worrying about getting to the shore if the battery runs out.
The VMAX MR127 packs some serious juice that will last longer then you think. So if you are looking for a high-capacity reliable battery with advanced features and long-life expectancy then this is the best marine deep cycle battery money can buy.
This is another best quality product from VMAX we have on our list. As I said earlier VMAX is a reputed brand that builds high-quality and long-lasting batteries and this V35-857 deep cycle battery from VMAX is no exception.
This lightweight and portable group U1 battery is best suited for boats such as minnkota, cobra, Sevylor, and other trolling motors.
You will be thrilled to see the performance of this battery due to its heavy duty lead-tin alloys. The accurate depth of discharge on 18-40 pound trolling motor is 50-60%.
One of the best features of this battery is the fact that it is maintenance-free. So now you don’t have to continually check the gravity of electrolyte or add the water to VMAX tanks during float service life.
In fact, the whole battery is sealed and the electrolyte is socked in plates so the electrolyte won’t come out even if you turn the battery upside down.
The specially designed Absorbed Glass Matt (AGM) between the VMAX plates adds the chemical and physical strength to it which is superior to Wet Lead Acid Batteries.
Its 35Ah of power is enough for small to medium boats, and it is backed by 1 year of warranty.
If you are looking for a cheap yet reliable deep cycle battery pack, then Mighty Max 12V 55Ah battery pack is what you need.
It is an SLA (Sealed Lead Acid) battery meaning the electrolyte of the battery will not leak even if the battery is subjected to vibrations of the boat when cruising at high speeds.
You will love the AGM/SLA spill-proof technology of this battery which has a characteristic of high discharge rate, wide operating temperatures, long service life, and deep discharge recovery.
This rechargeable battery can be mounted on any position, and it will resist any shocks or vibrations during boating.
Because of its deep discharge recovery, you don’t have to worry about the battery getting too discharged, and you can go fishing all weekend without having the need of recharging it again and again.
It measures 9.02 x 5.43 x 9.13 inches and weighs around 38 pounds which is common for most of the 55Ah deep cycle marine batteries.
Don’t get confused by the low price of this battery. The 1-year warranty will make sure that the battery will last longer then you expect it to be.
On top of that the Mighty Max if offering 30-day refund policy if you don’t like the product which is a great deal if you feel skeptical about buying this battery.
Mighty Max is known for building quality batteries at a very affordable price range. This is another cheap deep cycle marine battery Mighty Max has produced.
This battery has a lower ampere per hour rating than the above battery, and it is relatively cheaper. The ML35-12 battery is designed using the AGM (Absorbent Glass Mat) with a valve regulated mechanism.
Due to its Sealed Lead Acid (SLA) design, it can withstand the shock and vibrations of the boat even on the windy conditions.
On top of that this maintenance free battery includes an airtight seal on the top so the acid/electrolyte of the battery won’t spill out of battery just like other conventional batteries.
Also, this marine battery boasts some excellent features such as high discharge rate, wide operating temperatures, long service life, and deep discharge recovery.
This battery will provide uninterrupted power supply to your boat or trolling motor so that you can enjoy your ocean exploration or fishing.
If we talk about the dimensions, then this battery measures about 7.68 x 5.16 x 7.13 inches and weighs around 23.15 pounds.
The 1-year warranty and 30-day money back guaranty of this product will give you a piece of mind.
So if you are after a cheap marine battery that will last longer then, the Mighty Max 12V-35Ah deep cycle marine battery is a perfect choice for you.
The Odyssey 31-PC2150S is top product in our list for marine starting battery category. It can deliver a total of 1150 CCA (Cold Cranking Amperes) or even a Hot Cranking Amperes of 2150 for 5 seconds.
With the 1150 CCA, you will be able to jump-start any boat engine you throw at it. What I like most about this starting battery is that it can withstand the depth of discharge as high as 80% which is quite amusing given its mechanism.
And this battery’s ability to cope with 400 cycles at the rate of 80% deep discharge, you can expect greater life expectancy from this battery.
Another great feature of this battery is its fast recharging capability. You can fully recharge this marine cranking battery in just 4 to 6 hours which is one of the fastest recharging battery you will see on the market right now.
This heavy-duty battery gives you the flexibility to mount it anywhere because of its capability to withstand high impact shock and mechanical vibrations. Also, you will love its ability to cope with even the lowest temperatures (-40 degree Celsius) and highest temperatures (45 degree Celsius).
Now you don’t have to add water in the battery at a specific period of time because it features the maintenance-free design with the resealable venting system.
Also, the non-spillable AGM technology of this battery prevents the electrolyte from coming out and protects it against potential vibrations of water impacts when sailing on the ocean.
If you are concerned about battery life, then this battery offers the service life up to 10 years. What’s more; this starting battery is backed by 4 years of solid warranty by the manufacturer which is more than enough reason to choose this battery over other brands.
If you are looking for cheaper marine starting battery, then Optima BlueTop is a great choice for you. Although it has lower CCA compared to the above Odyssey battery but 800 CCA is enough to start any medium-sized boat. And also it is lighter than the Odyssey weighing around just 40 pounds.
The unique spiralcell design is better than the conventional AGM batteries. Also, the charging speed of such batteries is much higher and it offers the longer running time compared to the other conventional batteries.
The higher reserve capacity (100 minutes) of this device will give you a longer battery life so you can enjoy the views of favorite lack or ocean.
The Optima batteries are extremely safe to use as it is 15 times more resistant to vibrations which are inevitable during fishing or marine sight-seeing.
Thank to the efficient power supplying capability and faster recharging ability of this starting/cranking marine battery, you will spend less time worrying about it and enjoy the quality time with your family.
Let’s not forget the spill proof technology of this battery and to top it off, it can be mounted virtually anywhere with the relevant mechanism to keep it stable in one place.
It will work well with any type of boat or even RV. You will be treated with 2 years of excellent warranty on this product.
If you purchase this battery then you should be well aware that this battery does not provide the continuous power as deep cycle battery because it is only designed to start the engine. So if you only looking for marine starting battery that you won’t be disappointed with this one.
If you are in a search for a battery that will instantly start up your boat with high cranking ampere and at the same time it will power up your all onboard devices just like deep cycle battery then the Odyssey 31M-PC2150ST-M is a great dual-purpose battery you will ever find on the today’s market.
You will greatly appreciate features like 70% longer battery cycle than average deep cycle batteries, facility of faster recharging (100% in 4-6 hours), Extreme temperature tolerance, and marvelous 1150 of CCA.
The 10 years of service of life will save you a lot of time and money in the long run while the sturdy design will make sure that this battery will not fail even if it is subjected to high shock waves of water when go fishing in your trolling boat.
Also, the high temperature withstanding feature of this battery will let you use it in any conditions you can possibly imagine.
The 4 years of replacement warranty will make sure that your investment on this battery will not go to waste and with advanced technology, you can quickly recharge a battery so you don’t have wait for the battery to get fully charged.
If we talk about the technical details, then this battery boasts 100Ah of power to run your on-board electronic devices, and it has 205 minutes of reserve capacity.
Aside from that, the non-spillable technology used in this battery is top-notch. The compact size gives you the independence to mount it anywhere which makes it a perfect choice for those who have limited space for installation.
So in the end, I would say that this is an ideal battery for starting up your engine and powering up your onboard electronic accessories of the boat. So if you are in a lookout for high-capacity yet reliable dual-purpose marine battery with impressive features, then Odyssey 31M-PC2150ST-M is what you need.
If you need a battery that gives you greater starting power than the conventional starting batteries and also offers deep cycle usage then check out this Optima 8052-161 D31M starting and deep cycle marine battery.
You will love the impressive 900 cold cranking amperes of starting power and 75Ah of deep cycle power to continually run your devices.
Due to its 155 minutes of reserve capacity, you can explore the ocean or go on fishing as long as you want without keeping close tabs on battery status.
The lightweight and vibration resistant design will enable you to install it virtually anywhere by using the relevant fastening system.
One of the main advantages of maintenance free battery is that they are relatively cheaper than the non-maintenance free batteries and as the name suggests it does not require any maintenance at all so just plug it and forget it.
The Spiralcell technology is what makes this battery stand out from others. It ensures efficient power input and output, precision controlled power output, and tolerance against high temperatures.
Please note that it is group 31 battery so make sure it is compatible with your boat before you purchase it. The measurement of this battery is 12.8 x 6.5 x 9.38 inches and weight is 59.2 pounds.
At this affordable price range, you are getting 2 years of warranty which is a great deal to pass up in my opinion.
The Optima D27M is another dual purpose battery we have on our list. The only difference between this and above battery is its different size and weight.
The Optima D27M is Group 27 battery that measures 12.2 x 6.8 x 8.7 inches and weighs 53.8 pound which is heavier than the normal batteries.
This battery can provide up to 800 amperes of CCA starting power and the 140 minutes of reserve capacity power will improve your boating experience.
The unique cell type structure of this battery incorporates solid cell connections to increase the durability and provides maximum stability. Also, this Spiralcell technology makes this battery vibration-free.
With this configuration, you can expect more running time and greater life span from this dual-purpose marine battery.
This is the best choice for boats having trolling motors, and high-load electrical appliances that draw more power and requires continuous electrical power.
The AGM technology makes it entirely maintenance free while the spill proof design will not let any acid spill off of the battery. And this feature also aids in mounting it virtually anywhere you want.
The battery will provide enough cranking power to start any boat engine you throw at it while the deep cycle powers your stereos, GPS systems, bilge pumps, fish finders, and other high-demand electronics.
So if you are after a cheap battery but not cheap in terms of features and capable of high deep cycle power as well as starting power then we recommend Optima D27M dual purpose marine battery.
Optima D34M is a dual purpose battery that supplies the starting power of 750 CCA (Cold cranking amperes) at 12 volts.
One of the greater advantages of this battery is its lightweight and compact design. Weighing at around 43.5 pounds, this is one of the lightest battery we have on our list.
Also for powering up onboard devices such as fish-finder, GPS system, communication radio, marine lights, live well pump, and trolling motor, the deep cycle battery is there for you.
The higher reserve capacity means you can go wherever you want without worrying about running out of battery or getting to the shore safely.
You will get 120 minutes of reserve capacity for deep cycle usage while it can store a total of 55Ah of power.
The maintenance-free design of this battery will save you the trouble of adding water to the battery or changing the electrolyte in the battery.
Aside from that, the spill-free technology enables you to install it anywhere you want. The specially designed spiral wound cells result in efficient power transfer, and it also ensures the safety of the user.
The AGM design means it is fifteen times more vibration resistant than the conventional dual purpose marine batteries and you can virtually mount it anywhere as you see fit.
This BlueTop marine battery has a lower internal resistance which means it is capable of transferring more power and also quickly recharges the battery.
The 2 years of solid warranty will give you a piece of mind while its compact size and lightweight design add another advantage in the list.
The Optima D34M will become an ideal choice for you if you are in a search battery that can provide surge-starting, cranking power and maintenance free, uninterrupted power supply at the same time.