Best Group 27 Deep Cycle Batteries (2022): Reviews & Comparison

Do you need a new battery for your RV, boat, or golf cart? If you're looking for the best group 27 deep cycle battery, you've come to the right place. In this blog post, we'll take a look at some of the best options on the market and help you figure out which one is right for you.

VMAX MR127 AGM Deep Cycle Battery

This VMAX MR127 AGM Deep Cycle Battery has a slim design that allows it to fit into tight spaces. It provides excellent performance and 40% faster charging than other batteries. This battery is leakproof, shock and vibration resistant, and maintenance-free. The VMAX MR127 AGM Deep Cycle Battery is an excellent choice for your recreational vehicles such as motorcycles, ATVs, jet skis or snowmobiles.

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Deep cycle batteries have a large capacity, making them ideal for powering serious electrical devices like RVs and marine vessels. They're built tough to withstand extended periods of use and discharge, so you can rely on them when you need them most. In addition, they're made with high-quality materials and components, so you can expect long-lasting performance from your battery.

And so to help you experience these benefits, here are the top five group 27 deep cycle battery options on the market today:

1. VMAX MR127 AGM Deep Cycle, 12 Volt 100Ah

The VMAX MR127 12 Volt 100Ah AGM Deep Cycle battery is perfect for marine use! This heavy-duty battery is maintenance-free and features a high porosity AGM electrolyte suspension system that absorbs and contains the electrolyte. The VMAX MR127 also has heavy-duty grids for extra performance and service life, even after repeated over discharges.

2. Optima 8027-127 BlueTop Battery

Optima's BlueTop battery is designed with spiral cell technology for superior vibration resistance and extended life. The pure lead design allows for lead to be used in its purest form, and the solid cast cell connections increase durability while the tightly compressed cells add vibration resistance. This battery also has a reserve capacity of 140 minutes at 25 amps.

Optima 8027-127 BlueTop Deep Cycle Battery

The Optima 8027-127 Deep Cycle battery is the ultimate in performance and durability. These batteries are designed to provide long, reliable service while requiring minimal maintenance. They can be mounted in any position and are suitable for both starter and deep cycle applications. Utilizing a unique spiral cell design, these batteries have twice the usable power of conventional batteries. And with no plates to warp or break, they’re virtually spill-proof and vibration resistant. The high cranking amps make them ideal for motorized vehicles such as motorcycles, ATVs, snowmobiles, etc.

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3. NorthStar Pure Lead Group 27 Battery

The NorthStar Battery Company is proud to introduce the NSB-AGM27 Pure Lead AGM battery. The NSB-AGM27 features a compact size and high cranking power for easy starting. This battery comes with a 2-year free replacement warranty and a 30-day money-back guarantee. The NSB-AGM27 can be used in any position, including inverted, without leaking or spilling acid. The lead plates of this battery are made from 99.99% pure lead making it one of the most reliable non-maintenance batteries available on the market today.

NORTHSTAR Pure Lead Automotive Battery

The Northstar Pure Lead Automotive Battery is an excellent choice for your vehicle. It has a deep-cycle design, which means it can be used in cars, trucks, SUVs or boats. The battery comes with a four-year limited warranty and can be charged up to five times without losing its power. It features leakproof construction and a maintenance-free design for easy use.

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4. GreenLiFE Lithium-Ion Battery

Looking for a reliable, long-lasting battery for your backup system? Look no further than GreenLiFE's 80AH Group 27 size battery. This battery is designed to provide superior performance and protection, making it perfect for a wide range of applications. With short circuit protection, cell balancing, and reverse polarity protection, you can rest assured that your battery will stay safe and protected. So whether you're using it for your solar backup system or in another deep cycle application, the GreenLiFE 80AH Group 27 size battery is up for the task.

GreenLiFE Group 27 Battery

GreenLiFE Group 27 Battery is a high-quality, maintenance free and spill proof battery with 5-year warranty. It can be used for trolling motor, bow fishing and other marine applications. The AGM technology makes it safe from overcharge and under voltage and ensures fast charging. This battery has an exceptional life of 3 to 5 years depending on the application conditions.

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5. Universal Power Group 12V Battery

Universal Power Group UPG #45978 Battery is an advanced technology, high-performance AGM battery. It has the most common usage scenario in solar applications as it charges very quickly. Given the price tag, many can be bought simultaneously and set to be charged quickly and reliably. It can also be used in trolling motor vehicles such as boats. The deep cycle battery is heavy-duty, which means it can withstand heavy loads without any problem.

Universal Power Group 12V Battery

The Universal Power Group 12V Battery is a maintenance-free, leakproof and shock and vibration proof battery. The UPG 12V battery has very slow self-discharge rate that provides the longest shelf life of any conventional lead acid battery on the market today. With its one year warranty, this 12V battery is perfect for your automotive, marine or recreational vehicles.

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With these great options, it's easy to see why group 27 deep cycle batteries are so popular. So don't wait any longer, and find the perfect battery for your needs today.

What is the best group 27 deep cycle battery?

The best group 27 deep cycle battery for a given application will depend on a number of factors. However, there are a few things to keep in mind when choosing a group 27 battery that will help you select the best option for your needs.

1) First and foremost, you need to know the discharge rating of the battery. This is typically expressed in amp-hours (Ah) and will give you an indication of how long the battery can deliver a certain amount of current before it needs to be recharged. A higher Ah rating means more discharge capacity and thus is generally better for applications that require longer run times.

2) You also need to consider the charging voltage of the battery. Group 27 batteries typically have a charging voltage, so make sure your charger is compatible with this range.

3) The size and weight of the battery can also be important factors to consider, especially if you need to transport the battery or it will be used in a space-constrained application.

4) The manufacturer's warranty and return policy should also be taken into account, as you want to be sure your battery is covered in case of a defect or malfunction.

5) And lastly, the price of the battery should be considered. While it's not always the most important factor, you want to make sure you're getting a good value for your money.

Overall, the best group 27 deep cycle battery for your needs will depend on your specific application. But by keeping the above factors in mind, you can select the perfect battery for your needs and be confident that it will provide long-lasting power.

How long will a group 27 deep cycle battery last?

Although there's no definitive answer to this question, a group 27 deep cycle battery will typically last somewhere between two and three years. Of course, this depends on a number of factors, including how often the battery is used and how well it's maintained. 

When it comes to batteries, longevity is all about proper care and maintenance. For instance, if you regularly drain your battery past 50 percent, it will shorten its lifespan. To get the most out of your battery, aim to only discharge it to around 40 or 50 percent before recharging. Additionally, make sure to store your battery in a cool, dry place when not in use - extreme heat or cold can also damage the battery and shorten its life.

Are group 27 batteries deep cycle batteries?

Group 27 batteries are often used in deep cycle applications. However, their performance may vary depending on the manufacturer and the specific battery model.

Deep cycle batteries are designed to be discharged and recharged multiple times, so they typically have thicker plates and higher reserves of active material than other types of batteries. This allows them to withstand deeper discharge cycles without damage. Group 27 batteries may not have the same level of performance as dedicated deep cycle batteries, but they can still be a good option for certain applications.

It is important to carefully consider the intended use of your battery before making a purchase. If you need a battery for deep cycle applications, make sure to select a model that is specifically designed for this purpose. Conversely, if you need a battery for starting applications, select a model that is specifically designed for this purpose.


The best group 27 deep cycle battery for your needs will depend on a number of factors, including the type of battery, how you plan to use it, and your budget. However, any of the batteries on this list would be a good option for most people.

So there you have it, our list of the best group 27 deep cycle batteries. While all of these batteries will serve you well, we think that the VMAX MR127 12 Volt 100Ah AGM Deep Cycle Maintenance-Free Battery is a clear winner. It's affordable, reliable, and long-lasting- what more could you ask for? If you're looking for a quality battery that will last through multiple charge cycles, don't hesitate to check out this option. 

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.