VMAX MR127 Marine Deep Cycle AGM Battery Review


In Brief: Review of VMAX MR127

This deep cycle battery is great for heavy use, having a consistent power supply that is reliable and powerful. It also offers a long-lasting lifespan and AGM technology that provides a convenient, maintenance-free experience. This battery is quite heavy, and the price might turn off some customers, but this can be justified when we take a look at its features and specs.

VMAX is a specialist in high-performance batteries for heavy-duty devices.

The deep cycle capabilities of their products are unmatched, and they are suitable for any use, including RV, marine, solar, hydraulics, and much more.

They come with minimum maintenance required, and they offer the best value for the money.

This is beautifully mirrored in the design of the VMAX MR127, which comes with a plethora of premium features and a high-quality design.

Key Specifications

VMAX MR127 12 Volt 100Ah AGM Deep Cycle Maintenance Free Battery Compatible with Boats and 40-100lb, minnkota, Cobra, sevylor and Other trolling Motor (Group 27 Marine Deep Cycle AGM Battery)

This battery is a premium quality battery, belonging to the deep cycle category. It is best suited for use with powering trolling motors.

It can offer a long life of service, along with many other features and benefits.

This model is a 12V 100Ah AGM battery, and due to the AGM technology, it is completely maintenance-free.

Therefore, you don’t have to do anything in the long term to maintain this battery, which is very convenient.

This battery is a Group 27 model, which promises to deliver a reliable, constant flow of power. It also charges very quickly, allowing you to power your machinery for a long period of time.

This battery is sturdy and heavy-duty, boasting an enclosed plastic design that increases durability and resistance to vibrations and shock.

A battery that charges quickly is especially convenient to be used on a boat, a trolling motor, as well as an RV. This makes it very versatile.

A slight downside that we found is the price, which is quite high compared to other similar batteries.

The company is also nice enough to offer a one-year warranty, so you can exchange the product if a manufacturing error has been found.

There is also a 30-day, money-back policy, which is very convenient in case this battery doesn’t satisfy your needs.

20Hr capacity100Ah
RC 200 min
Terminal Posts
Dimensions12.1 x 6.7 x 8.3 (WxDxH)
Weight68 lb

How to Use it

The battery is heavy-duty, and it belongs to the Group 27 category, so you can mount it on any Group 27 compatible vehicle or machinery.

Due to its constant power supply and a durable casing, it is ideal for boats, trolling motors, as well as RVs and other similar vehicles.


It comes with a 30-day, money-back guarantee in case you are not fully satisfied with the product.

There is also a one-year exchange warranty if any manufacturing errors have been spotted.

For more details about the warranty, you may either visit the warranty and service center located at 5850 Sheldon Road, Belleville, MI. 48111, USA or fill in this contact form online.

Customer Reviews

This is a high-quality, premium battery that provides its buyers with enough power for lake trolling and other power-intensive devices.

Recent buyers report that a very long-lasting power supply is the exact thing they were looking for when they purchased this battery. On that note, this unit delivers superbly.

Another aspect they love is the durable body.

It is very shock and vibration-resistant, and it also features a hard casing. Thus, you don’t have to worry about damaging it or wearing it out in the foreseeable future.

AGM technology is also a very nice addition because it does not require any maintenance whatsoever, so it’s very convenient. Just mount it, and you can forget about it, aside from recharging it now and then.

The battery also recharges incredibly quickly.

Although most buyers love this product, some of them state that it is very heavy. It’s not very easy for one person to handle by themselves.

The price is also a bit high, but due to the many features and benefits it offers, they can easily overlook that.

This battery comes with a 10-year life expectancy, which is absolutely marvelous.

You can rest assured knowing that the strong casing and shock and vibration resistance will provide a long-lasting supply of current for any boat.
Recent buyers don’t need to expect to buy a new one anytime soon.


Pros and Cons


  • Consistent and reliable power supply that lasts for a long time
  • Versatile, Group 27 battery that can be used with any compatible device
  • One-year warranty and 30-day, money-back guarantee for peace of mind
  • AGM technology offers a maintenance-free experience
  • Quick charging time


  • Quite heavy
  • Premium features come with a high price

Who Should Buy it

If you have the budget, this is a perfect battery to power your machinery, including boats, trolling motors, RVs, and other similar items.

Versatile, durable, and boasting a long life expectancy of up to 10 years, this can be a great addition and a reliable power supply for your machinery.

Our Recommendation

This battery is loaded with so many desirable features. It has AGM technology, which ensures a maintenance-free experience.

Plus, it offers a reliable and consistent power supply and a long life expectancy, as well as a quick charge time. It can be mounted on any Group 27 compatible motor, and it provides premium performance.

With a one-year warranty and a 30-day, money-back guarantee, this company is very confident in their product and its performance.

This is very convenient if you encounter any manufacturer defects while using this battery, although we think that is fairly unlikely.

This battery is on the heavy side, and it can be hard to handle before mounting it, but after that, you can forget about it.

It also comes at a fairly high price, but this can be overlooked due to the 10-year expectancy of this battery.

About Jennifer Moore

I'm Jennifer and I am a hardcore car racing lover. I have been writing on automotive topics for more than 8 years now, specializing in performance enhancement. My passion is to help people find the best of what they are looking for, be it an engine or a set of tires. If you want to know something about cars and how they work, just ask me!