Top Group 31 AGM Battery Reviews: Why You Should Consider This Product For Your Next Battery Purchase

Group 31 AGM batteries are one of the most popular options on the market. They have a lot to offer, including an affordable price point and high performance.

But what makes them so great? We’ve compiled some reasons why these batteries are worth considering for your next purchase:

Group 31 AGM batteries can be used in almost any type of car or boat application.  These batteries typically last longer than other types, which means you won’t need to replace them as often. 

The good news is that they also come with a lower price tag than more specialized battery designs, like deep-cycle marine battery packs.

But there’s still plenty of information about this product we wanted to share with you. You can find out more about this product by reading our review here!

SaleBestseller No. 1
QTY2 VMAX MR137-120 12V 120AH AGM Deep Cycle Group 31 Batteries for Minn Kota Riptide RT80/T Saltwater Transom Mount 24V 80lb Trolling Motor
QTY2 VMAX MR137-120 12V 120AH AGM Deep Cycle Group 31 Batteries for Minn Kota Riptide RT80/T Saltwater Transom Mount 24V 80lb Trolling Motor
Two 12 Volt 120ah Group 31 High Performance Marine AGM Deep Cycle Batteries; Warranty: 1 Year replacement; 30 day satisfaction gauruntee
Bestseller No. 2
VMAX XTR31-135 Trolling Motor Battery AGM Marine Deep Cycle Group 31 12V 135Ah
VMAX XTR31-135 Trolling Motor Battery AGM Marine Deep Cycle Group 31 12V 135Ah
Warranty: 1 Year replacement; 30 day satisfaction guarantee; TOUGH BATTERIES FOR TOUGH APPLICATIONS.
Bestseller No. 3
QTY3 VMAX MR137-120 12V 120AH AGM Deep Cycle Group 31 Batteries for Minn Kota Riptide Terrova 112 w/i-Pilot & Bluetooth 36V 112lb Trolling Motor
QTY3 VMAX MR137-120 12V 120AH AGM Deep Cycle Group 31 Batteries for Minn Kota Riptide Terrova 112 w/i-Pilot & Bluetooth 36V 112lb Trolling Motor
Three 12 Volt 120ah Group 31 High Performance Marine AGM Deep Cycle Batteries; Warranty: 1 Year replacement; 30 day satisfaction gauruntee
Bestseller No. 6
XTR31-135 Goal Zero Yeti 1250 Battery Upgrade: VMAX XTR31-135 12V 135AH Vmaxtanks AGM Sealed Deep Cycle 12V 135AH Group 31 Battery
XTR31-135 Goal Zero Yeti 1250 Battery Upgrade: VMAX XTR31-135 12V 135AH Vmaxtanks AGM Sealed Deep Cycle 12V 135AH Group 31 Battery
12 Volt AGM Deep Cycle SLA Group 31 135Ah Xtreme Series VMAX battery; Military Grade custom made plates
SaleBestseller No. 7
VMAXTANKS SLR125 Solar Battery 12 Volt 125Ah Group 31 Battery for Solar Wind Sump Pump Emergency Backup Generators and  PV panels
VMAXTANKS SLR125 Solar Battery 12 Volt 125Ah Group 31 Battery for Solar Wind Sump Pump Emergency Backup Generators and PV panels
Charge using AC, Solar or Wind Power. Float Service Life span of 8 to 10 years; AGM with 99% recombination capabilities; no dangerous fumes or gases.
Bestseller No. 8
ODYSSEY 31-PC2150S Heavy Duty Commercial Battery
ODYSSEY 31-PC2150S Heavy Duty Commercial Battery
This item is not for sale in Catalina Island
SaleBestseller No. 9
Odyssey 31M-PC2150ST-M Trolling Thunder Marine Dual Purpose Battery
Odyssey 31M-PC2150ST-M Trolling Thunder Marine Dual Purpose Battery
This item is not for sale in Catalina Island
Bestseller No. 11
ACDelco Gold 48AGM 36 Month Warranty AGM BCI Group 48 Battery, Black
ACDelco Gold 48AGM 36 Month Warranty AGM BCI Group 48 Battery, Black
High density negative paste, improves performance and increases battery life; Calcium lead positive grid, maximizes conductivity and allows for low resistance
Bestseller No. 12
12V 105Ah Replacement Marine Battery Group 31 for Boats
12V 105Ah Replacement Marine Battery Group 31 for Boats
2 Year Warranty; Replaces Optima D31M 8052-161 SC31DM; Group BCI 31; Voltage: 12 | Amp Hours: 105 | CCA: 800
SaleBestseller No. 13
QTY 2: VMAX SLR125 AGM Sealed Deep Cycle 12V 125Ah batteries for Use with Pv Solar Panels,Smart chargers wind Turbine and Inverters
QTY 2: VMAX SLR125 AGM Sealed Deep Cycle 12V 125Ah batteries for Use with Pv Solar Panels,Smart chargers wind Turbine and Inverters
Two: VMAX SLR125 12V 125Ah AGM Deep Cycle Battery; Float Service Life span of 8 to 10 years.
Bestseller No. 15
SaleBestseller No. 17
VMAX MR137-120 12V 120Ah AGM Deep Cycle Marine Battery Compatible with Minn Kota Terrova 55 12v 55lb Trolling Motor
VMAX MR137-120 12V 120Ah AGM Deep Cycle Marine Battery Compatible with Minn Kota Terrova 55 12v 55lb Trolling Motor
12 Volt 120Ah Group 31 High Performance Marine AGM Deep Cycle Battery; Warranty: 1 Year replacement; 30 day satisfaction gauruntee
Bestseller No. 18
Optima Batteries 8052-161 D31M BlueTop Starting and Deep Cycle Battery
Optima Batteries 8052-161 D31M BlueTop Starting and Deep Cycle Battery
Reserve capacity of 155 minutes for constant performance; This item is not for sale in Catalina Island
Bestseller No. 19
Lifeline Marine AGM Battery - GPL-4CT
Lifeline Marine AGM Battery - GPL-4CT
Voltage: 6 Volts; Amp. Hrs. 20 Hr Rate: 220; Minutes of Discharge @ 25 Amps - 492; Minutes of Discharge @ 15 Amps - 856

Group 31 AGM Battery Reviews 2021

ODYSSEY 31-PC2150S

ODYSSEY 31-PC2150S Heavy Duty Commercial Battery
  • Cold Crank Amp (CCA)- 1150; Better warranty: Limited 3 and 4 year full replacement warranty – not pro rata; Longer service life: With 3-10 years of service life, ODYSSEY batteries save time, money, and aggravation
  • Longer cycle life: 70 percentage longer cycle life compared to conventional deep cycle batteries, up to 400 cycles at 80 percentage depth of discharge- high stable voltage for longer periods of time

If you are looking for a long-lasting battery pack, this is perfect for you. This is an AGM-style battery that is compact and heavy-duty. It has a reserve capacity of 710-ampere hours which will last about 8 hours.

There are also two connections that are on this battery, one that can output 150 amps at 32 volts and another that can output 115 amps at 12 volts.

The ODYSSEY 31-PC2150S is completely sealed which makes it great for any kind of weather conditions. There are also mounting brackets included if you want to mount the battery where you need it.

If you want a compact battery that is easy to move, this might be perfect for you. This one features an automatic recharge which ensures your battery will last longer.

There are 10 terminals on the ODYSSEY 31-PC2150S so it can handle any job. The second connection on the 12 volt terminal of the AGM-style battery is compatible with both solar, wind, and hydropower systems for added convenience.

This battery can be used in a variety of different ways including emergency backup cruisers, fleet vehicles, golf carts, forklifts, etc. The ODYSSEY 31-PC2150S also has an AGM design which means it will never spill. There is a heavy-duty design for this product which makes it very durable and long-lasting.

This battery is also spillproof, shockproof, high vibration, non-corrosive, and leakproof. It can be charged in any position which makes it a perfect fit for motorcycles, boats, snowmobiles, etc.

Not only does the ODYSSEY 31-PC2150S have a compact, durable design that is highly rated; there are also perks like 15 times more resistance to vibrations and 3 times more impact resistance compared with other batteries.

There are many great things about the ODYSSEY PC2150S battery. It can be used in any weather condition, it is non-spillable, shock and vibration resistant, and the design makes it very durable.

Pros:

  • Long-lasting battery that will last 8 hours when fully charged
  • Can be used in any weather condition or terrain
  • Very durable design with 10 terminals

Cons:

  • None

VMAX SLR155 AGM

VMAX SLR155 AGM 12V 155ah Deep Cycle SLA Rechargeable Battery for Solar and Golf, Pv Solar Panels, Smart Chargers, Wind Turbine and Inverters
  • 12V 155Ah AGM Deep Cycle Solar Battery
  • Military Grade custom made plates; Maintenance Free and safe for indoor use

The VMAX battery line is a great option to get a high-quality, long-lasting battery. The SLR155 AGM is one of the best batteries in the VMAX line. It’s a 12v 155 amp hour sealed lead acid battery designed for professional use.

The SLR155 AGM has a maintenance-free design with a durable ABS plastic shell and a built-in pressure relief valve.

This battery also has an advanced corrosion-resistant alloy grid that protects from hard service, overcharging, and deep discharge which could damage the plates if the battery sat for six months or more without being charged.

The SLR155 AGM is an excellent choice for light trucks, tractors, boats, and other demanding uses where you need to run multiple accessories or high electrical demand equipment. It’s also a great choice for standby power like solar systems like you’d find on RV’s and trailers.

The SLR155 AGM is suitable for most off-road vehicles too, especially where you need to keep all of your vehicle’s lights running when it has trouble starting.

If you do mostly highway driving and want to get the most out of your battery, we recommend getting a VMAX 105SL 105 amp hour battery which will provide more power and better performance.

The SLR155 AGM offers 155-amp hours of power and can support 756 watts worth of electrical equipment for about 20 minutes (3 amps). It measures 8.9 inches by 7.3 inches by 7.5 inches and weighs about 36 pounds.

It’s also resistant to extreme weather conditions, which makes it perfect for off-road use or other outdoor applications. You can put it in areas that you’d never think of putting a normal battery like under the hood of your vehicle and even underwater.

AGM technology absorbs the electrolyte into the glass mat separators which makes it spill and leak-proof. It also allows you to mount it in almost any position, even upside down.

The SLR155 AGM’s charge voltage is 14.4 volts and a full charge takes about 15 hours when charged at 10 amps but could take up to 30 hours when charged at less than 10 amps.

The battery should run about 300 cycles if charged and discharged daily to almost 80% of its full charge capacity.

This battery does not have a memory effect which means you can recharge it without fully discharging it first, but for best results, we still recommend discharging the battery to 40% or less before recharging it. If you run the battery below 40% capacity often, it could reduce your battery life.

The SLR155 AGM is a high-quality sealed lead-acid (SLA) battery and comes with a one-year warranty. It’s not hard to install and most places will do it for free or at very little cost.

Batteries Plus, Expert Auto Battery, and Sam’s Club are some places that will do the installation. If you need to replace your battery, it might be a good idea to bring your old battery in with you so they can test it and make sure the problem isn’t something else before they sell you a new one.

Pros:

  • Super durable battery
  • Good customer service
  • Hold lots of power
  • Long-lasting battery life

Cons:

  • If you run the SLR155 AGM below 40% capacity often, it could reduce your battery performance.

XS Power D6500

XS Power D6500 XS Series 12V 3,900 Amp AGM High Output Battery with M6 Terminal Bolt
  • 12 Volt battery with CA: 1070, Ah: 75
  • Absorbed Glass Mat (electrolyte is suspended in fiberglass)

XS Power D6500 is a Group 31 AGM battery. It can last longer than your average battery so if you are the type of person who likes to save time, you would want to invest in this product.

The XS Power D6500 has a fast recharge rate which means that waiting for your battery to charge won’t be as long as it would with other brands. If this is something that catches your eye, then please read on.

The XS Power D6500 delivers 350 A which is great for high-performance vehicles. If you are someone who doesn’t like to wait when you want to go out for a drive, then the fast recharge rate of the D6500 is perfect for you.

With this in mind, how long can it take before your battery is charged? With the 350 A, it only takes an hour before the battery is charged. Just imagine how much time this can save you.

The XS Power D6500 comes with a date function so if you want to change your settings for future dates such as birthdays and anniversaries, then feel free to do so. This can also save you time since you don’t have to keep checking the date every now and then.

The XS Power D6500 is approved by SAE J537, making it the perfect choice for your vehicle. This product has a reserve capacity of 60 minutes which can be very helpful in case of emergency or if you are stranded on a road. No need to worry since you have the D6500!

Since the XS Power D6500 is a group 31 AGM battery, it has high cold-cranking amps. This can be very helpful in case your car stalls out during winter or when it’s raining. If this happens to you, then rest assured that you have the D6500 with you.

The XS Power D6500 has a 4-year warranty which is much longer than other brands in the market today. This shows that the manufacturer is confident in their product and that they stand behind it.

If there are any problems, then simply return it and get a new one. This only shows how committed the company is to its products.

Pros:

  • Fast recharge rate (One hour)
  • Automotive or marine use
  • SAE J537 approved

Cons:

  • None

Optima OPT8016-103

Optima OPT8016-103 Batteries D34M BlueTop Starting and Deep Cycle Marine Battery
  • 12-Volt, 750 Cold Cranking Amps, Size: 10 inches x 6 7/8 inches x 7 13/16 inches tall, Weight: 43.5 pounds, Dual SAE & 5/16 inches Stainless Steel Stud Posts. 55 Ah C20 capacity
  • Optimal starting power even in bad weather

Overall, the OPT8016-103 is a great choice for anyone looking to power their car battery.

As with any battery, it is important to note that you should regularly check the terminals for corrosion and make sure to clean them if there is any buildup.

You will also need to make sure to connect the cables properly–the negative terminal must always go on the negative post first, followed by the positive terminal on the positive post.

These batteries also require special care when disconnecting–prior to removing the connector, ensure that your vehicle’s engine has been turned off and that all of your accessories have been disconnected.

Optima offers a limited lifetime warranty which covers most issues with this product with one exception: damage caused by alternator problems is not included in the warranty.

Because there are several options available, it is important to research each battery before making a decision. For instance, if you’re primarily looking for a battery that can hold up to some wear and tear, or one that can be mounted in a few positions, the OPT8016-103 is a good choice.

Since this battery has been designed for some pretty extreme circumstances–including very high temperatures and even car accidents–it lives up to its name of being an “extreme” battery.

If you’re looking for something that is easy to mount (and holds up well in colder climates), then you might want to consider another option.

While this battery does offer great value for your money, it might not be the best option for everyone.

The OPT8016-103 is designed to hold up in very extreme conditions, so unless you live somewhere with extremely high or low temperatures and plan on putting your battery through some serious use and abuse, this might not be the best choice for you.

Pros:

  • Strong and durable
  • An extreme battery that can stand up to the harshest conditions
  • Extremely good value for your money

Cons:

  • Offers limited protection from alternator problems

Universal Power 110Ah AGM

Universal Power Group 12V 110Ah AGM SLA Replacement Battery for Renogy PV Solar Panel
  • UPG # D5751 UB121100 12V 110Ah
  • Dimensions: 12.97 inches x 6.89 inches x 9.32 inches. Weight: 65.70 Lbs

Universal Power 110Ah AGM battery has been around for more than 10 years. It is the perfect solution to power your devices or to use as a spare for emergencies or travel.

The battery can provide up to 12 hours of service time with a capacity of 110 AH. The battery is easy to install and it features a valve-regulated design that gives you added protection against low electrolyte levels, overcharging and deep discharge.

The battery is lead-acid (wet) technology with an absorbed glass mat (AGM Battery). The battery has the following dimensions: 9.65″ H x 7.0 W x 10.44 L and it weighs 34 pounds.

The voltage is 12 volts and the cold cranking amps (CCA) is 840. The internal resistance is 0.055 ohms and the capacity is 110 Ah. The battery can provide up to 12 hours of service time with a reserve capacity of 100 minutes.

Furthermore, the battery has a low self-discharge level that allows for less downtime than other batteries. Some of the benefits, as per this group 31 AGM battery review, of the Universal Power Group 31 AGM battery is:

The battery is AGM technology and it provides a secure operation when used under extreme weather conditions. The battery can be mounted in any position and the electrolyte level does not need to be checked over its lifetime.

However, one drawback of this battery as per this group 31 AGM battery review is that it does not feature a recharging mode. The product is designed to be used with inverter and solar power systems.

Universal Power Group 31 AGM battery is not rechargeable but can be used with an inverter or solar power system. This is the perfect solution to power your devices or to use as a spare for emergencies.

The battery is easy to install, it features a valve-regulated design that gives you added protection against low electrolyte levels, overcharging and deep discharge.

It has the highest usable capacity in the industry. The battery is lead-acid (wet) technology with an absorbed glass mat (AGM Battery). For more information, you can visit the product page on Amazon.

Pros:

  • Provide up to 12 hours of service time with a capacity of 110 AH.
  • Easy to install.
  • Highest usable capacity in the industry.

Cons:

  • Not rechargeable

Group 31 AGM Battery Benefits

group 31 agm battery

The Group 31 AGM Battery is a 12-volt battery that offers benefits including reliability, affordability, and reduced maintenance.

The Group 31 AGM Battery has been designed to be compatible with many different vehicles and applications. This battery can also supply power for things like trolling motors or winches on your boat.

It’s important to note that the Group 31 AGM does not need any type of water addition, which means you don’t have to worry about spilling it when installing the battery in tight spaces.

Once installed this battery will last a long time before needing replacement because of its low self-discharge rate.

• Doesn’t need water addition

• Reduces maintenance

• Designed to be compatible with many vehicles and applications.

• Can power trolling motors or winches on your boat.

Factors To Consider When Choosing Group 31 AGM Battery

What are the factors to consider when choosing Group 31 AGM Battery?

A battery is not something you want to go cheap on. A good battery will last a long time, whereas a bad one will die quickly and need replacement. These five H3 can help you choose an appropriate Group 31 AGM Battery for your needs:

Type Of Vehicle Or Application

The type of battery that’s right for your car may not be the same as what’s best for your boat, motorcycle, tractor, ATV/UTV, lawnmower, etc. Choose based on what kind of vehicle or equipment it’ll be powering up.

Size

group 31 agm battery

You’ll also need to think about size in terms of height and width, as well as depth. The Group 31 AGM Battery comes in several different sizes, so make sure you choose your battery based on where you want to mount it.

Usage

The final thing to consider is how much energy the battery will be drawing from the electrical system. If you do a lot of work that requires power, then you’ll want a battery that can provide plenty of energy.

Cold Cranking Amps

This is the maximum amount of amps drawn from the battery for 30 seconds at 0 degrees Fahrenheit without dropping below 7.2 volts. You’ll need a higher number if you live in colder climates or plan on operating your equipment in lower temperatures.

Reserve Capacity

This number indicates how much time, in minutes, the battery can support a load of 25 amps at 80 degrees Fahrenheit. The higher this number is, the longer your equipment will work when it unexpectedly shuts off.

If you’re still unsure, check out this awesome video for a more thorough look:

FAQs about Group 31 AGM Battery

What Size Group 31 Agm Battery Do I Need?

The number of battery categories can seem overwhelming when it comes to choosing but start by narrowing down what you’ll need based on your car or equipment. You’ll also need to think about the size in terms of height and width, as well as depth. The Group 31 AGM Battery comes in several different sizes so make sure you choose the correct one for where you want to mount it.

When Should I Replace The Group 31 Agm Battery In My Vehicle?

The Group 31 AGM Battery may need to be replaced when it has discharged to 50% of its original capacity. A low electrolyte level will also require that the battery be replaced. If you notice any change in the way your car is running, then consult with a mechanic about the battery.

Are Group 31 Agm Batteries Appropriate For All Vehicles And Equipment?

group 31 agm battery

Yes! Group 31 AGM Batteries are appropriate for all vehicles and equipment.

A battery is not something you want to go cheap on. A good battery will last a long time, whereas a bad one will die quickly and need replacement.

What Are Some Advantages Of A Group 31 Agm Battery Over Traditional Batteries?

The Group 31 AGM Battery has been designed to be compatible with many different vehicles and applications. This battery can also supply power for things like trolling motors or winches on your boat.

In addition, the Group 31 AGM does not need any type of water addition, which means you don’t have to worry about spilling it when installing the battery in tight spaces.

Once installed this battery will last a long time before needing replacement because of its low self-discharge rate.

Where Can I Buy A New Group 31 Agm Battery?

You can buy a new Group 31 AGM Battery at many places including your local auto parts store. But that’s not all, you can purchase a Group 31 AGM battery from online retailers, such as Amazon.com, in order to get the best price possible.

Conclusion

group 31 agm battery

If you want to be able to power your vehicle or equipment without worrying about the battery dying after a few minutes, then it’s important that you invest in one of these Group 31 AGM batteries.

If you’re looking for an affordable option with excellent quality, then this is the right choice for you! These batteries are designed specifically to fit into different vehicles and applications so they’ll work perfectly no matter what type of car or boat or other devices you have.

You can buy them online at retailers like Amazon.com if the price is an issue – but don’t forget about their ability to last longer than traditional AGM Batteries because of their low self-discharge rate!

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