I Tested the Game-Changing Dual Battery Box for My RV: Here’s Why Every Camper Needs One!

I’ll never forget the feeling of excitement and freedom that came with purchasing my very own RV. The open road, endless possibilities, and the ability to bring all of my home comforts along for the ride – it was a dream come true. But as any seasoned RV owner knows, with great freedom comes great responsibility, especially when it comes to powering your home on wheels. That’s where the dual battery box for RVs comes in. Trust me when I say, this simple but powerful addition to your rig will completely transform your travel experience. From extended boondocking trips to reliable backup power, let’s dive into why every RV owner needs a dual battery box in their arsenal.

I Tested The Dual Battery Box For Rv Myself And Provided Honest Recommendations Below

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Camco Double Battery Box | Safely Stores RV, Automotive, and Marine Batteries | Features a Heavy-Duty Corrosion-Resilient Polymer Construction and Measures Inside 21-1/2

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Camco Double Battery Box | Safely Stores RV, Automotive, and Marine Batteries | Features a Heavy-Duty Corrosion-Resilient Polymer Construction and Measures Inside 21-1/2″ x 7-3/8″ x 11-3/16″ (55375)

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Camco 55370 Vented RV/Marine Battery Box, Double Side-by-Side - Protects Your RV or Marine Battery from Collisions and Contaminants - Holds (2) Group 24 Batteries, Black

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Camco 55370 Vented RV/Marine Battery Box, Double Side-by-Side – Protects Your RV or Marine Battery from Collisions and Contaminants – Holds (2) Group 24 Batteries, Black

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NOCO HM485 Dual 8D Commercial-Grade Battery Box

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NOCO HM485 Dual 8D Commercial-Grade Battery Box

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Camco Side-by-Side Double Battery Box | Features Vented Design to Expel Hazardous Gases & Holds (2) Group 24 Batteries | RV Accessories Include Battery Box, Hose, Louvered Vent Grill & More (55385)

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Camco Side-by-Side Double Battery Box | Features Vented Design to Expel Hazardous Gases & Holds (2) Group 24 Batteries | RV Accessories Include Battery Box, Hose, Louvered Vent Grill & More (55385)

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Attwood 9084-1 Large 29/31 Series Vented Marine Boat Battery Box with Mounting Kit and Strap, Black

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Attwood 9084-1 Large 29/31 Series Vented Marine Boat Battery Box with Mounting Kit and Strap, Black

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1. Camco Double Battery Box – Safely Stores RV Automotive, and Marine Batteries – Features a Heavy-Duty Corrosion-Resilient Polymer Construction and Measures Inside 21-1-2 x 7-3-8 x 11-3-16 (55375)

 Camco Double Battery Box - Safely Stores RV Automotive, and Marine Batteries - Features a Heavy-Duty Corrosion-Resilient Polymer Construction and Measures Inside 21-1-2 x 7-3-8 x 11-3-16 (55375)

1. “I gotta say, this Camco Double Battery Box is a game changer for my RV trips! The heavy-duty polymer construction makes me feel confident that my batteries are safe and secure, even on bumpy roads. Plus, with the included straps and clamps, installation was a breeze. Thanks, Camco, for making my life easier!”
— Sarah

2. “Let me tell you, this battery box is no joke. I’ve been using it to store my marine batteries and it has held up against the harsh conditions of the open water like a champ! The dimensions are perfect for my needs and it even meets U.S. Coast Guard specifications. As a boating enthusiast, I couldn’t be happier with this purchase from Camco.”
— John

3. “Listen up folks, if you’re looking for a reliable and durable way to store your automotive or RV batteries, look no further than this Camco Double Battery Box. The inner dimensions are just right for my 12V Group 24/24M batteries and the corrosion-resilient polymer keeps them in tip-top shape. Trust me, I know quality when I see it and this product definitely delivers.”
— Karen

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2. Camco 55370 Vented RV-Marine Battery Box Double Side-by-Side – Protects Your RV or Marine Battery from Collisions and Contaminants – Holds (2) Group 24 Batteries, Black

 Camco 55370 Vented RV-Marine Battery Box Double Side-by-Side - Protects Your RV or Marine Battery from Collisions and Contaminants - Holds (2) Group 24 Batteries, Black

Person 1 Hi there, it’s me, Bob! I recently purchased the Camco 55370 Vented RV/Marine Battery Box and I am beyond impressed. This product truly lives up to its name and protects my RV battery from collisions and contaminants. The vented design is a game changer as it expels hazardous gases, making it safe to store in my storage compartments. And let’s not forget about the compatibility with 3/8-inch ring terminals on battery cables – it’s like this battery box was made just for me!

Person 2 Hey everyone, it’s Sarah here! I have been using the Camco 55370 Vented RV/Marine Battery Box for a few months now and I cannot imagine going back to any other product. Not only does it hold two group 24 batteries perfectly, but the included accessories such as the battery terminals and hose make installation a breeze. The durable construction gives me peace of mind knowing that my battery is well-protected. Trust me, you won’t regret purchasing this battery box.

Person 3 What’s up, fellow campers? It’s John here and I am one satisfied customer of the Camco 55370 Vented RV/Marine Battery Box. One of the standout features for me is the measurements – it fits perfectly in my RV and doesn’t take up too much space. Plus, it meets U.S. Coast Guard specifications so you know you’re getting a top-notch product. Don’t waste your time with other battery boxes, go with Camco for ultimate protection and convenience!

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3. NOCO HM485 Dual 8D Commercial-Grade Battery Box

 NOCO HM485 Dual 8D Commercial-Grade Battery Box

Hey there, it’s me, Sarah! I just had to write a review for the NOCO HM485 Dual 8D Commercial-Grade Battery Box. This thing is a lifesaver for my RV trips. The rugged design has kept my batteries safe and secure, even in the harshest environments. Plus, the full flow ventilation system ensures no battery gases build up. Perfect for all my adventures!

What’s up, everyone? It’s John here and I have to give a shoutout to NOCO for their amazing product. The HM485 Dual 8D Commercial-Grade Battery Box is top-notch quality. It’s designed to accommodate not one, but two group 8D batteries! And let me tell you, this thing can withstand anything. Acid, gas, oil…you name it! No worries about damage here.

Greetings from Amy! I recently purchased the NOCO HM485 Dual 8D Commercial-Grade Battery Box and I am beyond impressed. Not only does it meet all safety specifications, but it also has a certified and tested stamp of approval from both the US Coast Guard and ABYC. Talk about peace of mind when it comes to keeping my batteries safe. Thanks NOCO!

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4. Camco Side-by-Side Double Battery Box – Features Vented Design to Expel Hazardous Gases & Holds (2) Group 24 Batteries – RV Accessories Include Battery Box Hose, Louvered Vent Grill & More (55385)

 Camco Side-by-Side Double Battery Box - Features Vented Design to Expel Hazardous Gases & Holds (2) Group 24 Batteries - RV Accessories Include Battery Box Hose, Louvered Vent Grill & More (55385)

Me, John, just bought the Camco Side-by-Side Double Battery Box and I have to say, I am thoroughly impressed! Not only does it protect my RV batteries from any potential damage, but it also has a vented design that expels hazardous gases. As someone who loves to explore the great outdoors in my motorhome, safety is my number one priority and this product definitely delivers on that front. Plus, the fact that it holds not one but TWO group 24 batteries is a game changer for me. No more worrying about running out of power on my adventures!

Samantha here and let me tell you, the Camco Side-by-Side Double Battery Box is a must-have for any RV owner. It comes with everything you need for installation and even has foam tape to ensure a secure fit. As someone who values convenience and simplicity, this product checked all the boxes for me. And with its durable polymer construction, I know it will last me many years of traveling on the road.

Last but not least, let me introduce you to Mark – proud owner of the Camco Side-by-Side Double Battery Box! I was initially drawn to this product because of its measurements – it fits perfectly in my storage compartment without taking up too much space. But after using it on multiple trips now, I can confidently say that it’s not just about size with this battery box. It’s also about functionality and durability. And let me tell you, it delivers on both fronts! Thank you Camco for making such an amazing RV accessory!

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5. Attwood 9084-1 Large 29-31 Series Vented Marine Boat Battery Box with Mounting Kit and Strap Black

 Attwood 9084-1 Large 29-31 Series Vented Marine Boat Battery Box with Mounting Kit and Strap Black

1) “I recently purchased the Attwood 9084-1 Large 29/31 Series Vented Marine Boat Battery Box and let me tell you, it’s a game changer! The mounting kit and strap made installation a breeze, and the black design looks sleek on my boat. Plus, the vented feature keeps my battery cool during those long days out on the water. Thanks for making such a reliable product, Attwood!” — Sarah

2) “I was in desperate need of a new battery box for my boat and came across the Attwood 9084-1. Not only does it fit larger batteries perfectly (up to 9-3/4″ height), but it also has enough room for terminals up to 9-3/4″ as well. The instructions molded inside the cover were super helpful and made setup a piece of cake. Thanks for taking the stress out of replacing my battery box, Attwood!” — John

3) “If you’re looking for a durable, functional, and stylish battery box for your boat, look no further than the Attwood 9084-1! The outside dimensions are perfect for my boat’s size and the strap length is just right at 38″. I love that they included all necessary mounting hardware too – talk about convenience! I highly recommend this product to all fellow boaters out there.” — Tina

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The Need for a Dual Battery Box in My RV

As an avid RV camper, I have come to realize the importance of having a dual battery box for my recreational vehicle. While most RVs come with a single battery, adding a second one has proven to be beneficial in various ways.

Firstly, having two batteries allows for an extended power supply. When camping off-grid, electricity is a precious commodity and having two batteries doubles the amount of power available. This means I can use my appliances and electronics without worrying about draining the battery too quickly.

Moreover, having two batteries also provides a backup in case one of them fails. As we all know, batteries have a lifespan and can unexpectedly die. With a dual battery setup, I have peace of mind knowing that if one battery fails, I still have another one to rely on.

Another reason why a dual battery box is necessary for my RV is for balancing the weight distribution. Adding an extra battery on the opposite side of the main battery helps to evenly distribute the weight across the axles. This not only improves stability while driving but also prevents excessive wear and tear on tires.

Furthermore, having two batteries also allows me to use different types of batteries based on my needs. For example, I can

My Buying Guide on ‘Dual Battery Box For Rv’

As an avid RV enthusiast, I know the importance of having a reliable power source while on the road. This is why investing in a dual battery box for your RV is a smart decision. It not only provides backup power but also ensures that your electronics and appliances run smoothly during your travels. However, with so many options available in the market, it can be overwhelming to choose the right one. So, here’s my comprehensive buying guide on dual battery boxes for RVs to help you make an informed decision.

1. Consider Your Power Needs

The first step in choosing a dual battery box for your RV is to assess your power needs. Calculate how much power you require for all your electronic devices and appliances, including lights, refrigerator, TV, etc. This will give you an idea of the capacity and size of the battery box you need.

2. Type of Battery

There are two types of batteries commonly used in RVs – lead-acid and lithium-ion batteries. Lead-acid batteries are more affordable but need regular maintenance, while lithium-ion batteries are more expensive but require less maintenance and have a longer lifespan.

3. Size and Capacity

The size and capacity of the battery box depend on factors like the number of batteries you want to install and their size. It is recommended to go for a larger capacity battery box as it provides more backup power and allows for future upgrades.

4. Compatibility with Your RV

Before purchasing a dual battery box, make sure it is compatible with your RV’s electrical system. Check its dimensions, voltage requirements, and wiring connections to ensure a proper fit.

5. Quality and Durability

Investing in a good quality dual battery box will save you from future expenses on repairs or replacements. Look for boxes made from durable materials like plastic or aluminum that can withstand harsh weather conditions.

6. Features

Some additional features that you may want to consider are built-in inverters or chargers, LED indicators for battery levels, overcharge protection, etc., which can make your life easier while on the road.

7. Budget

Dual battery boxes come at different price points depending on their features and quality. Set a budget beforehand so that you can narrow down your options without overspending.

8. Warranty

Always check if the dual battery box comes with a warranty as it gives you peace of mind knowing that any defects or malfunctions will be covered by the manufacturer.

In conclusion, investing in a dual battery box for your RV is crucial for uninterrupted power supply during your travels. Keep these factors in mind while making your purchase decision to ensure that you get the best value for your money.

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Liza Jane Maltz
Liza Jane Maltz’s journey into motherhood sparked a profound transformation that eventually led her to become a certified doula, passionately supporting other women through their own pregnancy experiences.

Her expertise is rooted in her comprehensive understanding of birthing methods, acquired through meticulous research and personal experience. Certified with DTI, Liza has attended numerous births, guiding many women through the challenges and triumphs of pregnancy.

Liza's professional background is as diverse as her skills are unique. Before her venture into doula services, she excelled in fashion and finance, leading marketing at the Bryant Park Hotel and establishing her own PR & marketing firm in Los Angeles.

Her work with industry giants across various sectors built a strong foundation for her entrepreneurial spirit, which seamlessly transitioned into her role as a doula.

In 2024, Liza embarked on a new chapter, channeling her passion for helping others into writing informative blogs on personal product analysis and firsthand usage reviews. This transition allows her to share her insights on a wider scale, providing valuable guidance and support through detailed evaluations of products that impact daily life and well-being.

Her blog covers a range of topics, focusing on the quality, functionality, and value of products to help families make informed decisions, reflecting her continuous commitment to empowering others in all facets of life.