How to Buy The Best Battery Box: Reviews and Buying Guide

What is the best battery box out there? This is one of the first questions that comes to the mind of any camper or someone planning an outdoor adventure. However, if this is your first time planning a trip in an RV or a camping adventure, then you may not know what is it and why you must have one.

So before we start reviewing our picks for the best battery box, let’s see what it is and why you should have one.

What is a battery box?

battery box

A battery box is exactly what it sounds like- a box to keep a battery in. A battery box is used to carry an extra battery and use it for powering electronic devices such as LEDs, for charging your smartphones and other gadgets, and for any other application where electricity is required when outdoors. Battery boxes come with sockets to take care of all your needs for power when outdoors.

By the way, if you would like to make a battery box by yourself instead of buying one, you should check out this guide here. Apart from that, battery boxes also serve another purpose- protecting the battery from outside elements. They keep the battery dry during operation, prevent any damage from rain and other weather elements. These battery boxes also provide a convenient and safe way to carry a batteries.

Now that you know why a battery box is essential, let’s see some of the features that you must look at while searching for a battery box.

Things to Consider Before Making Your Purchase

battery box

Before jumping right into the action, there are certain things that you should keep in mind. Let's find out which are those!

Size

The first thing to check is if the battery box will fit the battery you have. While some battery boxes can accommodate different sizes of batteries, they are still not universal. Therefore, make sure to compare the battery size with the battery box group number to check if the size is compatible.

Protection from Weather

Regardless of what type of battery box you buy, ensuring that it has weather protection is a must. Dirt, water, sun, and other elements can cause serious damage and even make the battery unsafe to use. A well-protected battery performs better and lasts longer. The best box of this kind must be dust, rust, and corrosion-resistant.

Mounting

mounting rv

Carrying the battery can be quite challenging due to its weight and size, especially if it comes with a battery box. Make sure the battery installation has proper mounting points in the box to prevent it from slipping/sliding. You should be able to secure the box properly on the mounting hardware. You need to have clear instructions in order to install it safely.

Durability

It must be sturdy and consist of durable materials that can withstand rough use and impacts. Durability is extremely important while searching for a battery box. It should protect the battery from impacts and bumps so that carrying the battery in it is safe.

Outlets and Smart Features

New battery boxes come with various features beyond sockets such as USB outlets, LED displays for the remaining charge, and more. Such features increase the versatility of the battery box.

With these features, you will get a good idea of what to look for in the best battery box. Let’s now see our top picks that check all these boxes and give you your money’s worth. Just like our reviews of interstate batteries, these reviews will help you get the best value for your money.

Best Battery Boxes (Reviews)

As previously promised, we have selected the best battery boxes available on the market and provide you an honest review of each one of them. After considering all of their features and whether they fit your needs, you would be able to just go ahead and make your purchase. Let's get started!

Camco Battery Box, Heavy-Duty with Double Storage

Camco Battery Box, Heavy-Duty with Double Storage

For the ones who need storage for heavy-duty dual-batteries, this is the best Camco box of this kind. This box has a capacity for 2 12V Group 24M/24 batteries or 2 6V GC2 Batteries. The maximum dimensions that you can store in it are 21x7x11 inches. It is made of heavy-duty polypropylene and corrosion-resistant to protect batteries from even the most extreme elements. The box comes with 4 strap clamps and a pair of straps to secure and carry it with ease.

It complies with the US Coast Guard Specifications and therefore, can be used with compatible batteries. Since this is primarily a storage box, it lacks smart features such as USB output or LED indicators for the battery level. If your primary requirement is a heavy-duty box for carrying large batteries, then this is the best one that you can get.

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Pros:

  • Heavy-duty box made of polypropylene with high-durability
  • Resistant to corrosion and most outdoor elements
  • Can easily accommodate a pair of batteries
  • Affordable

Cons:

  • Slight jiggle or movement of batteries may occur during transit.

Seachoice Battery Box, 22080 for Group-27 Batteries

Seachoice Battery Box, 22080 for Group-27 Batteries

This battery box from Seachoice offers acid-resistance and polyethylene construction. Thus, you can store a group-27 battery without any safety concerns. The box dimensions are 14x7x10 inches, offering sufficient space for 1 group-27 battery. This box also comes with a hold-down strap. It also includes all mounting hardware to provide you a complete storage and transit solution.

The box also complies with ABYC standard E-10, which are safety standards for storing batteries when used on boats and yachts. Thus, you can safely use it on your yacht or boat while complying with all applicable regulations. The box lid design provides easy access to all wires and cables of the battery. This is the best battery box for use when on your yacht or boat as Seachoice products are manufactured especially for use when traveling on the water.

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Pros:

  • High-quality and acid-resistant polyethylene construction
  • Complies with all quality and safety standards for use on yacht and boats
  • Affordable and value for money
  • Mounting hardware and hold-down strap provided with the box

Cons:

  • Screws for securing the battery are not included, need to purchase separately

MinnKota Power Center

MinnKota Power Center

This power center from MinnKota is the best box of this kind for small-boat applications. The MinnKota power center is ideal for both Group 27 and Group 24 size batteries. For those who need a box of this kind that can also carry transom-mount motors and a battery compartment, this is the ideal choice. It also has 2 manual circuit breakers, 12V accessory plugs, and a built-in meter that lets you know the current battery charge level.

The dual output ports provide sufficient output for connecting DC accessories. The external battery ports let you charge and connect a trolling motor without opening the lid. A pair of metal screws along with rubber strips hold the battery in place for safe transit. It also comes with a 1-year manufacturer warranty.

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Pros:

  • Multiple output points for connecting DC accessories
  • Includes space for cables and wires to charge without removing the lid
  • Ideal for both Group 27 and 24 size batteries
  • 1-year manufacturer warranty

Cons:

  • Does not have USB ports

NOCO Battery Box HM327BKS For Trailer, RV, Marine, and Camper Batteries

NOCO Battery Box HM327BKS For Trailer, RV, Marine, and Camper Batteries

This battery box from NOCO is a heavy-duty group-27 is suitable for 12-V marine, boat, trailer, and boat batteries. The box features locking tabs that secure the lid and reinforced handles to prevent any damage when in transit. The maximum battery size that this box can accommodate is 13.2 in x 7.2 in x 10.1 in.

The construction ensures that there is no movement of the battery or any accidental shorting when enclosed in it. The box meets USCG regulations and specifications for safety. You can find them here. The box is suitable for rugged environments. It can withstand impacts and extreme weathers up to -20 degrees Fahrenheit. The box is also resistant to acid, oil, gas, and UV light.

The box does not feature 100% waterproofing as it is missing a gasket to do the needful. Also, it lacks any smart features such as USB ports or LED indicators. For those who are looking to get the best battery box simply for transportation and backup needs, this one by NOCO ticks all the right boxes.

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Pros:

  • Heavy-duty construction that withstands most weather and outdoor elements
  • Mounting hardware to secure the battery and lid in place
  • Meets USCG standards for use in boats and yachts
  • Battery movement is limited and protection from accidental shorting is there

Cons:

  • Does not have 100% water-proofing

Attwood Battery Box

Attwood Battery Box

This standard battery box from Attwood is a vented box that is ideal for large batteries. You can use it with both series 29 and 31 sized batteries. Its interior dimensions of approximately 15 x 7 x 9 inches are ideal for most large batteries. It also features a 38-inch long strap to allow easy portability. The box also includes mounting hardware to secure the battery in place.

Apart from the battery, there is sufficient storage in the box to keep cables and battery clips. The sturdy construction of the box allows for safe and durable storage. If you are looking for an affordable and value-for-money option for storing a large battery with minimal hassle, then this Standard Battery Box by Attwood is the right choice.

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Pros:

  • Sturdy and heavy-duty, suitable for large-sized batteries
  • Long strap for easier portability
  • All necessary mounting hardware is a part of the package
  • Resistant to outdoor elements and corrosion

Cons:

  • No output slots, need to remove the lid for charging the battery

NOCO Commercial-Grade Battery Box, HM426 for 2-6V Batteries

RV related product

This is a commercial-grade box from NOCO that features sufficient space to keep dual 6V batteries. It is a commercial-grade box that is ideal to keep Marine, RV, as well as Automotive batteries. You can use it even in the harshest of environments since NOCO tests it for use at-40 degrees Fahrenheit. The box also offers protection from a range of contaminants including acid, oil, and gas.

Its dimensions are 14.6x10.5x11.5 inches. The box provides ample ventilation and offers protection from moisture as well. Its design also collects battery acid to provide safety. The design and manufacturing process is solely done in the United States to meet the strictest regulations and quality standards. It also has a mounting hole to secure the battery in place.

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Pros:

  • Heavy duty and suitable for rough use with UV resistance
  • Ample storage space for a pair of batteries
  • Mounting hardware comes included
  • Ample ventilation included in the design

Cons:

  • No power outlets or charging points on the box

The Best Battery Box- Key Takeaways

Thus, by now, you have a good idea about what to look for while searching for the best battery box. This knowledge along with reviews of the top 7 battery boxes on the market will help you choose the safest option for battery storage. Make sure to have a look through all of these reviews carefully and make your decision. Good luck!

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