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Best AGM Battery for RV

Driving on an open road and seeing the scenery is a great feeling. We all love to feel that sense of freedom as we travel from place to place. But, for some RV owners, traveling means more than just enjoying the open road – it also means being able to enjoy your home away from home! Having a reliable power source in the campervan is one of the most important things. So how do you make sure that your electricity can last as long as possible? One way would be by using AGM batteries, which have features than diffierentiate from other conventional RV batteries! With so many options, it can be difficult to choose one. To help you with this decision, we’ve put together a list of some of the best AGM batteries available on the market today.

Best AGM Battery for RV

What is the Best AGM Battery for RV?

To find the list of absolute Best AGM Battery for RV, we have researched many RV AGM batteries and what RV and motorhome owners who bought and used them say about these products. Based on their experiences, we compiled for you the top 6 AGM batteries for RV.

Also, to make it easier for you to making the right choice, we also wrote a mini RV AGM Batteries Buying Guide and frequently asked questions (FAQs). You will find it at the end of this article.

1. Weize 12V 100AH Deep Cycle AGM Battery

Weize 12V 100AH Deep Cycle AGM Battery
Specs
Price: 💲💲 (fewer 💲 = cheaper)
Weight: 57 pounds (25.85 kg)
Size: 13 x 8.8 x 6.7 inches (33 x 22.4 x 17.1 cm)
Voltage: 12 Volts
Battery Type: Deep-Cycle
Battery Cell Composition: AGM
Capacity: 100Ah
Warranty: 1 Year

The Weize 12V 100Ah Deep Cycle LFP12100 is a high-performance and affordable battery that makes an excellent choice as an RV house battery and for travel trailers. It features the sealed lead acid AGM chemistry with a valve-regulated design that makes it leakproof and maintenance-free. The battery is versatile for various applications due to its high energy density, which provides consistent power output for an extended period.

This model is branded as LFP12100 or TL12100 and is significantly lightweight compared to the competition. It uses a heavy-duty calcium-alloy grid that causes the battery to have a lower self-discharge rate. Consequently, it has a longer shelf life, unlike lead-tin alloy batteries making it suitable for seasonal applications. Also, it is less prone to overcharging because the calcium-alloy grid draws less current on float charge, therefore giving the battery a better service life performance.

Pros

  • Delivers constant power output for extended periods,
  • Features a rugged ant-overheat cover for durability,
  • Has a compact and lightweight design for various applications,
  • Slow discharge rate gives it longer shelf life,
  • Affordable compared to the competition

Cons

  • The data-sheet is not readily available for more specs,
  • Batteries may be remanufactured and may have a lower output than stated

2. Universal Power Group 12V AGM DEEP Cycle Battery

Universal Power Group 12V AGM DEEP Cycle Battery
Specs
Price: 💲💲💲 (fewer 💲 = cheaper)
Size: 12.2 x 9.2 x 6.6 inches (30.9 x 23.3 x 16.8 cm)
Voltage: 12 Volts
Battery Type: Deep-Cycle
Battery Cell Composition: AGM
Capacity: 12Ah
Warranty: 1 Year

The Universal Battery UB121000 is a Group 27 deep-cycle battery that delivers excellent performance in off-grid applications. It features a valve-regulated AGM technology that makes it leakproof and maintenance free while its rugged construction is vibration resistant to make it durable. The battery has a nominal capacity of 100Ah and can power small 5Amp RV camper appliances for 20 hours.

Unfortunately, the battery has a short service life, with some batteries experiencing failure in less than a year of purchase. It is also slightly more expensive than the competition. However, it also has a high energy density that makes it a good value for money. Additionally, you get all the benefits that come with VRLA batteries, such as low maintenance, flexible mounting positions, and safety.

Pros

  • High energy density to provide consistent power for long periods,
  • Vibration resistant for heavy-duty use with RV campers,
  • Low maintenance and safe to use indoors,
  • Delivers good performance in cold temperatures

Cons

  • Takes a long while to charge,
  • Has a short service life

3. Mighty Max 12V AGM Battery

Mighty Max 12V AGM Battery
Specs
Price: 💲 (fewer 💲 = cheaper)
Size: 12.2 x 8.3 x 6.6 inches (30.9 x 21.1 x 16.8 cm)
Voltage: 12 Volts
Battery Type: Dual-Purpose
Battery Cell Composition: AGM
Capacity: 100Ah
Cycles: 360 cycles at 50% DoD

The Mighty Max ML100 is an affordable deep cycle battery suitable as a standby or solar battery. It also powers electric vehicles and tools and the RV house. The ML100 is also lightweight at 63 pounds and features a sealed lead acid AGM construction with a polypropylene casing. It gives the battery a high resistance to vibration, low maintenance, and durability. The battery has a low power discharge rate which allows you to store it at room temperature without going below 20% DOD for up to six months.

Pros

  • Low self-discharge rate gives it long shelf life,
  • Lightweight and robust design for heavy-duty use,
  • Compatible with solar for off-grid applications,
  • Flexible mounting position due to its leak-proof construction

Cons

  • It has a low current output for a starter battery,
  • It comes with a short warranty period,
  • Poor customer service from the manufacturer

4. Lifeline AGM Battery – GPL-4CT

Lifeline AGM Battery - GPL-4CT
Specs
Price: 💲💲💲💲 (fewer 💲 = cheaper)
Weight: 66 pounds (29.94 kg)
Size: 10.3 x 9.9 x 7.1 inches (26.1 x 25.2 x 17.9 cm)
Voltage: 6 Volts
Battery Type: Deep-Cycle
Battery Cell Composition: AGM
Capacity: 220Ah
Cycles: 1000 cycles with 50% DoD
Warranty: 5 Years

The Lifeline GPL-4CT is a high-performance deep cycle battery for marine and RV house applications. The battery is Mil-Spec certified, which makes it rugged to endure extreme vibrations and temperature conditions. However, it requires strict adherence to the manufacturer’s recommended maintenance guidelines to keep it in good working condition. The GPL-4CT is a 6V 220Ah marine battery with an exceptional reserve capacity of 492 minutes at 25A. Plus, it features 750 cold-cranking amps that give it excellent performance in cold weather.

The battery also features a remarkable 2% self-discharge rate at room temperature, unlike the 3% rate of conventional AGM batteries. Furthermore, the battery offers up to 1000 cycles at 50% depth of discharge and a fast recharge rate. It also comes with a 5-8 year service life backed by a 5-year warranty from the manufacturer.

Pros

  • Military standard construction for exceptional performance,
  • High cyclability with fast recharge rate for off-grid purposes,
  • Slow self-discharge allows extended shelf life for seasonal use,
  • Comes with a 5-year manufacturer’s warranty

Cons

  • Expensive compared to the competition,
  • Sensitive to deep discharges

5. Mighty Max Battery12V 35 AH SLA Battery

Mighty Max Battery12V 35 AH SLA Battery
Specs
Price: 💲 (fewer 💲 = cheaper)
Size: 7.8 x 7 x 5.1 inches (19.7 x 17.8 x 13 cm)
Voltage: 12 Volts
Battery Type: Dual-Purpose
Battery Cell Composition: AGM
Capacity: 35Ah
Warranty: 1 Year

While Mighty Max Battery is a relatively new brand in the market, they have quickly established themselves as a manufacturer of high-quality and affordable batteries and solar panels. The ML35 is a 12V sealed lead acid AGM battery with robust and maintenance-free construction to mount it in any position and has excellent vibration resistance.

While the manufacturer provides little information on the specifications, the battery is attractive due to its lightweight, affordable price range, and reliability.

Furthermore, the ML35 has a high discharge rate which means it can be fast-charged and has longer life cycles. While it has dual-purpose applications on lighter vehicles, the ML35 is also suitable for medium-powered appliances.

Pros

  • Offers reliable power for various applications,
  • Decent quality and affordably priced,
  • Long-lasting performance with fast recharge time,
  • Compatible with solar for versatile use

Cons

  • Small capacity unsuitable for large applications,
  • Does not come with mounting accessories

6. Lifeline Marine AGM Battery – GPL-27T

Lifeline Marine AGM Battery - GPL-27T
Specs
Price: 💲💲💲 (fewer 💲 = cheaper)
Weight: 62 pounds (28.12 kg)
Size: 12 x 9.5 x 6.6 inches (30.6 x 24.1 x 16.8 cm)
Voltage: 12 Volts
Battery Type: Deep-Cycle
Battery Cell Composition: AGM
Capacity: 100Ah
Cycles: 1000 cycles with 50% DoD
Warranty: 5 Years

The Lifeline GPL-27T is a military-grade deep cycle marine battery made for various applications. Due to its Mil-Spec certification, the battery features multiple industry-leading specifications that make it a high-performance unit. It features a 2% self-discharge rate at room temperature that gives you long shelf life. It also offers a long service life performance of 5-8 years, which makes it a good value, considering that it costs significantly more than conventional batteries.

The GPL-27T provides up to 845 cold-cranking amps at 25 degrees Celsius with a high reserve capacity for RV applications. The battery cell construction produces a notably low internal resistance that provides a constant high starting current. Additionally, the battery design allows fast recharge with significantly high current limitations while tolerating 1000 life cycles at 50% DoD, compared to 400 cycles of regular AGM batteries.

Pros

  • Superior construction delivers exceptional performance in RV applications,
  • Fast recharge capability with high current limitations for constant power,
  • Low internal resistance provides high current output for cranking motors,
  • Low degassing volume for safety during overcharging

Cons

  • Expensive than conventional batteries,
  • Deep discharges may cause battery failure

Verdict

After all of our long research about the Best AGM Battery for RV, we found that Weize 12V 100AH Deep Cycle AGM Battery is the best AGM battery for RV available today.

There’s also a Premium Option with all the best features and high-quality materials if you have more money to spend, namely Universal Power Group 12V AGM DEEP Cycle Battery.

However, if you are on a slightly tighter budget, you can also consider the Mighty Max 12V AGM Battery as an affordable alternative.

Our other reviews you may find useful in your research:

What You Should Know Before Buying AGM batteries for RV

AGM Battery

AGM batteries are sealed lead-acid batteries that are commonly used in recreational vehicles. AGM batteries provide many benefits over flooded lead-acid batteries, the most significant of which is their ability to be mounted in any position without danger of leakage or explosion. These types of Batteries are typically more expensive but they are well worth the money for anyone who has an RV, camper, boat or another type of vehicle that uses this type of battery.

Components of a good RV battery system

A battery system is typically comprised of three components: the battery, the battery box, and the connections. The connection will be included in the purchase price of some units while others are sold separately depending on their function.

Picking the right rv battery charger and maintainer

There are many options when it comes to picking the right RV battery charger and maintainer. It can be overwhelming when you are not sure what to look for.

The first thing is when you need to think about where you will be traveling to; a dry camping trip or a normal camping trip. Typical RVers would require a power inverter for plugging in an extension cord to hook up items such as microwaves, TVs and radios that require more power. On the other hand, dry campers would have solar panels or deep cycle battery banks they need to keep running while traveling so it’s important to think about the amp hours needed before purchasing one.

A deep cycle battery has three parts: plates, separators and electrolyte. The separators are thin sheets of plastic that keep the plates from touching each other. The electrolyte is made up of sulfuric acid and water; when you charge a battery, the water in the electrolyte gets converted to hydrogen and oxygen gas which allows electricity to flow through it. When you discharge a battery, the process works opposite; instead of hydrogen and oxygen being converted to water, electricity is created, causing the water to be taken from the electrolyte as it moves through the battery. As a result, you have a charged battery. If the battery is over discharged, it can lead to a loss of power and damage the battery.

This means you have two charges going on at once when charging your RV batteries; there is an extra charge caused by gassing due to overcharging which causes it to lose water. To combat this problem, one should invest in a maintenance free battery. This will allow you to fill the battery with distilled water when it’s discharged.

It is important to know everything about your batteries including its voltage and amp hours before deciding on a charger or maintainer; if you have more than one battery, make sure they are both of the same type and size so that they can run together effectively. It’s smart to charge up your batteries before you start traveling. One good thing about most chargers is that they have protection for reverse polarity, over and under voltage conditions as well as a short circuit.

There are many different kinds of RV battery charger, ranging from automatic to manual:

Automatic

This type will make sure your battery does not overcharge and discharge. It will also make sure the battery is fully charged all the time. These are great for long term storage because they maintain your batteries if you do not use them often.

Automated chargers have a special voltmeter that monitors the battery allowing it to recharge when battery voltage drops below a certain level. The charger then stops charging and checks the voltage again if it drops below a certain level. This cycle continues until the battery is charged.

Manual

Charging an RV battery with this type of charger can be dangerous if you do not know how to use them properly. They are best for short term storage because they charge your batteries quickly compared to automatic chargers. They also are not very convenient because they require more work so it is best to leave them for short term needs.

These chargers are basically like plug-in chargers but you have to manually adjust the amperage setting.

Questions and Answers About AGM batteries for RV

Do I need a RV battery monitoring system?

To find the answer to this question, you’ll have to ask yourself first how often your campground is hooked up to power. If it’s connected at all times and you don’t mount solar panels or generators near your site, then there’s little need for a battery monitor. You won’t be able to keep your batteries juiced up with those technologies. If the campground intermittently has power and/or you have mounted solar panels or generators that aren’t always positioned optimally, then a battery monitor may be helpful in ensuring that when the electricity goes down so does everything else which would include anything on inverter-powered outlets. A good reason for having one if you use inverters is to ensure they aren’t draining your battery system while plugged in.
Another good reason for having a battery monitor is if you have special power-hungry devices that you don’t want sucking down electricity when the RV park isn’t hooked up adequately or at all times. For instance, some folks with electric slide-outs need 12V power when the slide is deployed. If you’re in an area where power isn’t available 100% of the time, then a battery monitor may be called upon to keep your expensive 12V appliances running. The same could be said for someone with a video surveillance system that would need constant power to operate properly. The only way they’d know if it was feeding from the battery is if they had a monitor keeping track of things.
Since most folks don’t require their RV’s to keep running without electricity, it would be hard to argue that all RVs should have monitoring systems installed. The only way you’d really need one is if your situation was similar to one we’ve described above or you wanted to monitor the system for some other reason. For instance, perhaps you don’t want your solar panels to overcharge your batteries and ruin them. Some battery monitors will prevent this from happening by shutting off solar input when it reaches a maximum charge while others simply warn you that a solar array has reached full capacity and needs to be disconnected before further damage occurs.
A battery monitoring system is one of the best ways to prevent battery damage in an RV and we highly recommend getting one if you don’t have it already. But before you go to the store or online to purchase a new one, ask yourself why you need a monitor, what features are important and how much money you want to spend. Once armed with that information, you should find it easier to make a choice on which one is the best for your needs and budget.

Is a solar charging RV battery expensive?

The cost of solar power (solar cells) has been declining for years and the purchase cost of a solar charging RV battery system is now just about the same as you would pay for running an electric or gas powered generator.

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3 Comments

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    Reply
    Samantha Nichols
    December 18, 2021 at 9:18 pm

    Weize battery is very dense and it was packed very appropriately and compact so to minimize any damage. These will be storage for six solar collector panels. With the solar panels to collect energy, batteries to store the energy and an inverter to convert the energy seems like a safer way to go. The system built will be enough to run a portable AC unit when it is sunny outside, the fridgerator and a fan should we lose total power from no electrical service.

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      Reply
      Lydia Yang
      February 10, 2022 at 12:11 am

      Thanks for the insight Samantha! Super helpful tip for the readers!

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    Reply
    Bruno John
    March 22, 2022 at 1:53 am

    This AGM battery from Universal Power Group is the right choice if you want impressive vibration resistance and peace of mind. I bought 4 of these for a small, rarely used solar kit. I am amazed by their reliability and consistent power. Four of these can run 100 watts all day, and I pushed them to over 1500 watts for 30 minutes without a noticeable voltage drop.

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