Cargo trailer optima battery

Best Battery for Enclosed Trailer : Top 5 Reviews on 2024

Last Updated on April 13, 2023

When you are towing an enclosed trailer, one of the first things you need to do is ensure that the battery is in good condition. Without a good battery, you run the risk of being stranded on the side of the road, or worse, causing an accident.

These batteries are designed specifically for RVs, and they are available in a variety of sizes to suit your needs. They also feature automatic charging and built-in inverters.

Batteries in RV enclosed trailers are fully sealed, so they are resistant to weather and vibration damage. This makes them excellent choices for those seeking reliable battery power for their RV.

Throughout this article, we will talk about the top five batteries for RV trailers, so you can choose the right one for your needs. You’ll also learn some tips for taking care of your RV batteries, so it lasts as long as possible.

Renogy Deep Cycle AGM Battery

Battery Cell: Lead-Acid, AGM
Battery Terminal: Two M8
Amp Hours: 100Ah
Weight: 66 Pounds
Dimensions LxWxH: 13 x 6.8 x 9 inches

Weize 12V 100AH Deep Cycle AGM SLA VRLA Battery

Battery Cell: Sealed Lead Acid
Battery Terminal: Marine
Amp Hours: 100Ah
Weight: 63 Pounds
Dimensions LxWxH: 12.99 x 6.73 x 8.34 inches

Mighty Max Deep Cycle Battery for Enclosed Trailer

Battery Cell: Lead-Acid, AGM
Battery Terminal: W/NB
Amp Hours: 35Ah
Weight: 23 Pounds
Dimensions LxWxH: 7.76 x 5.12 x 7.01 inches

Here Are the 5 Best Batteries for Enclosed Trailers

RV enclosed trailers are typically larger and heavier than regular trailers, and they often have special features that are designed for use with an RV, such as a built-in kitchen or bathroom.

So you need a battery that supports enough light and electricity to power these features without draining too quickly. The following five batteries are some of the best choices for RVers:

1. Renogy Deep Cycle AGM Battery

Renogy battery utilizes deep-cycle technology to provide a consistently high level of power, even in the most extreme conditions. A sturdy case surrounds the battery, which makes it ideal for use in RVs since it is highly protected from the elements.

Key Features:

  • Power on the go with solar charging
  • Durable construction for long-term use
  • The capacity of 90Ah for plenty of power
  • 100Ah capacity for warm temperatures
  • More efficient at extreme temperatures
  • Most home appliances can be powered
  • Maintenance-free and longer shelf life
  • Lower self-discharge rate than 3%

Heavy-duty Construction:

Renogy deep cycle AGM battery is designed for use in enclosed spaces, such as RVs and trailers. To withstand the rigors of travel, they are constructed with rugged ABS containers and heavy-duty construction. Because of its sturdy construction, it can withstand being jostled.

High Performance:

It provides power and performance even when temperatures are below zero. Having a capacity of around 90Ah, this battery is capable of providing plenty of power for all your needs, and in warmer weather may even increase to 100Ah. You don’t have to worry about maintaining the battery with water since it is maintenance-free.

AGM Technology:

With AGM technology, this battery is designed to handle long periods of constant use. You can enjoy all the comforts of home on the road with its consistent power output. This is designed for deep discharge cycling, so you can use it repeatedly without damaging it.

Solar Chargeable:

With the 25A charger, it only takes two hours to charge from 60% to 100% with the 200W solar panels. As an added benefit, the battery does not get warm while charging, so it lasts longer. In this way, Renogy batteries are the ideal choice for RVers seeking a reliable and efficient way to power their vehicles.

Easy Use:

It has an insulated housing that keeps it cool, extending battery life. No need to worry about charging the battery before your first trip because it’s ready to use out of the box. The Renogy AGM battery is a popular choice for RV owners because of its quality construction and ease of installation.


According to some users, the device must be charged for at least 5 hours when it is first received. You should also charge it right away if the battery is completely depleted. Overall, this is good for RVers who need one that will last for a long time.


Renogy’s 12V 100Ah AGM battery is an excellent choice if you need a battery that can handle long hours of use or one that is solar panel chargeable. Despite its heavy-duty construction and high performance, it can handle the rigors of travel and provide you with the power you need.

2. Weize 12V 100AH Deep Cycle AGM SLA VRLA Battery

Battery from Weize can provide your RV trailer with long-lasting power. There is a capacity of 100Ah in this UL & CE-certified battery. As an added benefit, this is leak-proof and maintenance-free.

Key Features:

  • AGM technology for spillproof, maintenance-free operation
  • Sealed Lead Acid (SLA) battery
  • Mountable, rechargeable batteries
  • VRLA (valve-regulated lead-acid) battery
  • Leak-proof and maintenance-free
  • Technology that uses recombination of oxygen and grid refining
  • Dense, small, and heavy
  • Easy to recharge using solar panels
  • A power source that is reliable and safe

Advanced Technology:

Grid refining and oxygen recombination technology provide long-lasting performance. RV lights, appliances, and more are powered by the Weize battery. This deep cycle battery is a great choice for enclosed RV trailers because of its 12-volt power and 100ah capacity.

Power Holding Capacity:

The Weize’s AGM SLA VRLA is a good choice for people who need a battery that can hold a charge for a long time. Because it contains a lot of lead, this battery is very dense, making it extremely small, but heavy. Its density also makes it an extremely effective holding battery.

Easy Recharge:

These batteries provide you with the peace of mind you need when you’re not connected to the grid. In addition to being easy to recharge with solar panels, they are also sustainable and environmentally friendly.

They also provide a reliable and safe source of power for your RV or trailer. If gas generators are not an option, Weize batteries are a suitable alternative.


Despite its high performance, this battery is suitable for a variety of applications. Batteries of this type are ideal for use in RVs, boats, and other applications with limited space.

With a wide temperature range, it can be used in a variety of climates. As well as its low self-discharge rate, this battery can be easily maintained.

Install Accessories Included:

It’s packed very carefully and compact to minimize damage, and it includes bolts, washers, protective caps, and lock washers for both poles. No matter where you go, your rig will run smoothly with its 100 amp hour rating.


Longer battery length is a potential drawback. For RV trailers, this can cause clearance issues. Additionally, this battery may not hold a charge as well when it is not fully charged, but when fully charged, it will last very long.


For those requiring the ability to hold a charge for an extended period of time, Weize deep cycle batteries are a wise choice. Therefore, if you want a battery that is easy to recharge and reliable, then Weize is a fantastic choice.

3. Mighty Max Deep Cycle Battery for Enclosed Trailer

RV batteries from Mighty Max are specifically designed for RVs, and they offer a range of benefits. The batteries have a deep discharge design that allows them to store more power than traditional batteries. This means they will last longer and provide more power when you need it. 

Key Features:

  • Lead-acid rechargeable battery with spill-proof design
  • AGM technology for long-lasting power
  • Typical batteries have a high rate of discharge capacity
  • They do not require any maintenance
  • Easy to install and remove
  • Portable and easy to store
  • Marine circuit breaker included


Mighty Max deep cycle battery for enclosed trailers is a sealed lead-acid battery, so you don’t have to worry about any spills. This battery’s rugged and durable construction makes it ideal for those who require a reliable power source while on the road. You will also not need to worry about acid leaks thanks to the enclosed design.

Low Self Discharge:

Battery life is prolonged through the use of AGM technology, which prevents sulfation. A lead-acid battery loses its charge more quickly than a lithium-ion battery because of the high self-discharge rate of this battery.

They are best suited to applications such as RVs and enclosed trailers, where the battery may need to power the lights and other electronics for long periods of time.

Ease of Use:

The Mighty Max ML35-12 SLA model comes with a carrying handle for ease of transport and is easy to install. The battery is also portable and easy to store, making it an excellent choice for people who are always on the move.

The battery can also be easily removed with quick disconnects, making it a convenient option for RV or trailer owners in a hurry.

Circuit Breaker:

It provides up to 12 hours of power on a single charge and is reasonably priced. Plus, it’s built to withstand extreme weather conditions. The marine circuit breaker included with the battery protects against voltage surges, making it suitable for RVs and trailers. 

Heavy-load Capacity:

This battery is excellent for powering a 45 lbs thrust trolling motor, and can also be used for other applications like camping or tailgating. Plus, it’s handy for power outages. The deep-cycle design and heavy-load capacity make it a versatile and dependable power source.


Batteries are best suited to regular loads rather than high-demand ones like air conditioners and refrigerators. It will also need to be recharged more often since it is a deep-cycle battery.


Mighty Max’s ML35-12 SLA battery is a great option for those seeking a highly reliable and powerful battery. There is no leakage, low self-discharge, and quick disconnects make it easy to remove. It also includes a circuit breaker to protect against voltage surges.

4. Ampere Time 12V 50Ah Lithium LiFePO4 Battery

Ampere Time batteries are high-performance, long-lasting batteries that can be used for a wide variety of applications. Featuring 50 amp-hours of power, this battery is ideal for powering electronic devices, lights, and more.

Key Features:

  • 640Wh of energy from a 12V 50Ah lithium battery
  • Up to five times faster than lead-acid batteries
  • One-sixth the weight of lead-acid batteries
  • Adaptable to parallel or series applications
  • Built-in BMS with cell balancing
  • High capacity rapid recharge capability
  • IP65 waterproof rating offers a long life span
  • Large terminals for easy connection

Perfect for RVs and Home:

The Ampere Time 12V 50Ah lithium LiFePO4 battery is a reliable selection for those who wish to live off the grid. With no concerns or issues, this battery is compatible with most RV types and can be used for camping and boondocking as well as home backup solar power. The battery is also more environmentally friendly since it does not contain the heavy metals found in lead-acid batteries.

Safe Battery Connection:

RVs with these batteries have a variety of advantages, including long lives, high capacities, and low weight. The fact that Ampere Time 12V50Ah batteries can be connected in parallel makes it easy to create a large battery system for your RV.

As well as offering impressive performance, they also offer protection against overcharging, over-discharging, and overcurrent. This makes them a smart choice for RV owners looking for a reliable and safe battery option.

Fast Charge Capability:

LiFePO4 batteries from Ampere Time have a high ampere-hour rating and fast charge acceptance, making them well suited for RV and trailer applications. It also has excellent charge retention, which means it will hold its charge for a while. Due to its rapid recharge feature, you are always able to have plenty of power available when you need it.

BMS Technology:

Keeping lithium batteries healthy and long-lasting requires the use of battery management systems. LiFePO4 batteries need to be managed properly in order to achieve the best results.

This battery features a BMS that protects the cells and extends the battery’s life. This high-capacity battery has a high life span and an IP65 rating, making it ideal for use in RVs and enclosed trailers.

Underwriters Laboratories Certification:

Batteries from Ampere Time provide environmentally friendly power for RVs and trailers. The batteries are UL-certified for reliable operation, and they have large terminals for easy connection. A further advantage of the Ampere Time batteries is that they can withstand harsh weather and extended periods of usage.


A drawback of these batteries is that they exhaust quickly if they are under a heavy load. Additionally, the discharge rate is slightly higher than other types of batteries, but this is to be expected due to its powerful performance.


For anyone looking for a high-performance battery for their RV or a sustainable option to power their home, the Ampere Time 12V 50Ah lithium battery is a solid choice. This battery will meet your needs with its long life span, high capacity, and fast charge acceptance.

5. Optima YellowTop Dual Purpose Battery

Optima YellowTop batteries are designed for both starting and deep cycling applications, but they are especially well-suited for use as RV trailer batteries. It features a unique spiral-wound design that provides extra cranking power and extended life.

Key Features:

  • 12-volt, 450 cold-cranking amps
  • Reserve capacity of 66 minutes for constant performance
  • 100% copper plates for increased surface area
  • AGM design prevents leaks and explosions
  • Easy to install with included kit
  • Compact size for easy storage
  • Withstands deep discharge

Copper Plates:

For increased surface area, the Optima YellowTop dual-purpose battery features 100% copper plates wound concentrically rather than laid out in a grid. The batteries are also known for their durability and long-lasting performance.

Heavy Loads Capable:

As an RV battery, this is designed to remain functional even after long periods of use. It can also handle heavy loads so that you can enjoy your trip. Also, since the Optimal YellowTop battery can survive deep discharge, it will never run out of power.

Compact Size:

The small size makes it easy to store, and its higher power reserve means you won’t worry about running out of juice during a long trip. Its higher cranking amps mean the battery will perform better in cold weather, making it an ideal choice for cold-weather trips.

Various Applications:

Its spill-proof design makes it easy to mount in virtually any position, making it ideal for a variety of uses. The YellowTop is also equipped with an absorbent glass mat (AGM), which prevents leaks and explosions, making it a safe choice for both indoor and outdoor use.

Easy Installation:

It comes with a kit to make installation easy, and you won’t need any special adapters or alterations. In addition to being well protected during shipping, the battery is packed in foam packaging as well. Each battery terminal has a color-coded cap to make it easier to identify.


It is a bit more expensive than other types of batteries. Due to its safety, it cannot be charged with ordinary chargers, so you must purchase a special Optima charger. But it can be a good investment for RV trailer owners who require a reliable battery.


As you see, the Optima OPT8071-167 D51 battery is a good battery for your RV trailer. It’s durable, long-lasting, and easy to install. Plus, its unique spiral-wound design offers more cranking power and longer life.

Comparison Chart:

ProductBattery CellBattery TerminalAmp HoursWeightDimensions LxWxH
Renogy 12 Volt 100AhLead-Acid, AGMTwo M8100Ah66 Pounds13 x 6.8 x 9 inches
Weize 12V 100AHSealed Lead AcidMarine100Ah63 Pounds12.99 x 6.73 x 8.34 inches
Mighty Max ML35-12Lead-Acid, AGMW/NB35Ah23 Pounds7.76 x 5.12 x 7.01 inches
Ampere Time 12V 50AhLithium PhosphateM650Ah11.57 Pounds7.79 x 6.53 x 6.69 inches
Optima OPT8071-167 D51Lead AcidSAE38Ah19.36 Pounds9.21 x 4.98 x 8.94 inches

How to Choose the Best Battery for RV Towing Enclosed Trailer?

Portable battery pack for enclosed trailer

Not every battery is created equal, and there are many things to consider when choosing one for your RV. Some are good for short trips while others are better for long-term use, so it’s important to know what you need before making a purchase. Here are some things to keep in mind:

1. Type of Battery

There are three main types of batteries: lead-acid, lithium-ion, and sealed lead-acid. Lead-acid batteries are the most common type of battery, and they are typically the most affordable option.

Lithium-ion batteries are more expensive than lead-acid batteries, but they have a longer lifespan and do not require as much maintenance. Seal-lead-acid batteries are among the most expensive types of battery, but they are maintenance-free and can withstand extreme temperatures.

2. Size and Weight

A large battery will be able to provide more power for your RV, but it will also be heavier and take up more space. The smaller battery may not be able to provide as much power, but it will be easier to transport and require less space. Although a heavier battery is more difficult to transport, it will also have a higher capacity.

You will also need to decide how many batteries you need. If you only need one battery, a smaller size may be sufficient. In contrast, if you plan to use more than one battery, you must choose a size that will accommodate all of the batteries.

3. Cold-cranking Amps and Discharge Rate

Cold-cranking Amps and Discharge Rate

The cold-cranking amps (CCA) is the measure of how much current a battery can provide at 0 degrees Fahrenheit. A higher CCA means that the battery will be able to start your RV in colder temperatures. If you live in an area with cold winters, it’s important to choose a battery with a high CCA.

Discharge rate refers to how long it takes for a battery to fully discharge. Low discharge rates mean the battery will discharge slowly, while high discharge rates mean that it will discharge quickly. You should choose a battery with a low discharge rate if you plan on using your RV for extended periods of time.

4. Capacity and Life Span

This is measured in amp-hours (AH), and it indicates how much power the battery can store. For example, a battery with 100 AH of capacity can provide 1 amp of power for 100 hours or 10 amps of power for 10 hours.

Another important factor to consider its lifespan. This is the amount of time that the battery will last before it needs to be replaced. A battery with a longer life span will usually cost more, but it will save you money in the long run.

5. Used Technology

AGM batteries are newer and considered maintenance-free, meaning you don’t have to add water to them. Additionally, AGM batteries are sealed so that gasses created during charging can’t escape, making them safer to use.

You’ll also want to make sure that the battery you choose is safety-certified, like UL & CE. This will give you peace of mind knowing that the battery has been tested and proven to be safe for use.

6. Installation and Maintenance

Before you purchase a battery, make sure that it can be easily installed in your RV. Some batteries require special brackets or connectors that may not be compatible with your RV.

You should also consider the maintenance required for the battery. Lead-acid batteries need to be regularly checked and watered, while sealed lead-acid batteries are maintenance-free.

How to Take Care of Your 12v Battery for an Enclosed Trailer?

Tow vehicle battery box

Taking proper care of your 12v trailer battery is important to prolong the life of the battery and avoid costly repairs or replacements. 

One way to ensure your battery lasts is by regularly cleaning the terminals. This can be done with a simple brush and some baking soda mixed with water. 

Another way to maintain a 12V battery is by ensuring it is regularly charged. You can do this by plugging the battery into an electrical outlet or using a solar charger.

And, it is important to avoid overloading your 12v battery. You can reduce energy consumption by not using too many appliances at once or by not running the engine while the trailer is plugged in. By following these simple tips, you can take care of your 12v battery and prolong its life.

Frequently Asked Questions

While you have a lot of factors to consider when choosing the best travel trailer battery replacement for your RV, you may still have some questions. Below are some commonly asked questions that can help you make a more informed decision.

1. What Size Battery Should I Use for My 28’enclosed Trailer?

When you choose a battery for your 28’enclosed trailer, you will need to take into account the size of the trailer and the amount of power you will need. The size of the battery will be determined by the trailer’s size and the number of appliances and lights that you have.

And the power of the battery will depend on the type of appliance and how much power it uses. In general, a 12V, 100AH battery will be sufficient for a 28’ travel trailer.

2. How to Use a Small Battery for Power Source Lights Enclosed Trailer?

First, mount the small battery to the side of your RV. You will need to use brackets to do this. Then, connect the positive and negative terminals of the battery to the respective terminals of your RV’s electrical system.

Once the battery is connected, you can then use it to power your RV’s lights. To do this, simply turn on the switch that controls the light, and the light will come on. You can also use a small battery to power other appliances in your RV.

3. Does My Travel Trailer Battery Charge When Plug-In?

When you plug your RV into shore power, your RV battery will begin to charge. This is because an external power source provides power to your RV. Your RV battery will continue to charge until it is full.

Once it is full, the charging process will stop. You can then unplug your RV from shore power and enjoy the benefits of a fully charged RV battery.


Choosing the best battery for enclosed trailers is an important decision that should not be taken lightly. As we’ve mentioned in this article, there are several factors to consider when making this decision, including the size and type of your RV, the appliances you have, and how often you use them.

But overall, the most important factor to consider is the amount of power you need. You can determine this by how many appliances and lights you have in your RV. And then, you can choose a battery that will provide the power you need.

Thanks for your time. Happy travels.

Renogy Deep Cycle AGM 12 Volt 100Ah Battery, 3% Self-Discharge Rate, 1100A Max Discharge Current, Safe Charge Appliances for RV, Camping, Cabin, Marine and Off-Grid System, Maintenance-Free
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Last update on 2024-07-21 / Affiliate links / Images from Amazon Product Advertising API

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