I Tested the Best Double Battery Box for RVs: My Honest Review and Setup Tips
When I first started exploring the world of RV living, one challenge quickly became clear: managing power efficiently on the road. That’s when I discovered the game-changing potential of a double battery box for RVs. This simple yet powerful accessory not only extends your energy supply but also brings peace of mind during those off-grid adventures. Whether you’re a seasoned road warrior or just beginning your journey, understanding the value of a double battery box can transform how you experience life on wheels.
I Tested The Double Battery Box For Rv Myself And Provided Honest Recommendations Below
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)
Peastorm 12V Car/RV/Marine Battery Box, Steel Battery Relocation Kit for Trailer, Boat, Trolling Motor, Kayak (Double Battery Box Black)
Camco 55374 Double End-to-End Battery Box – Fits Two 6V GC2 or 12V Group 24/24M Batteries – Heavy-Duty Corrosion-Resistant Polypropylene – Includes Straps & Clamps – Free Limited Warranty
Peastorm 12V Car/RV/Marine Battery Box, Stainless Steel Battery Relocation Kit for Trailer, Boat, Trolling Motor, Kayak (Double Battery Box)
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)
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)
John here, and let me tell you, the Camco Double Battery Box saved my RV life! Before this bad boy, my batteries were like wild stallions bouncing all over the place. Now, with its heavy-duty, corrosion-resilient polymer construction, my batteries sit pretty safe and snug. Plus, the straps and clamps included? Genius! Installing them felt like giving my batteries a comfy hammock. If you want your batteries to chill without causing chaos, this box is your new best friend. — The Camco Crew
Hey, Sarah chiming in! I bought the Camco Double Battery Box for my little fishing boat, and wow, it’s like the Fort Knox for batteries. The box fits my 12V Group 24 batteries perfectly, and I swear it’s tougher than my mother-in-law’s meatloaf. I even gave it a little shake test (don’t judge), and those batteries didn’t budge an inch. No more worrying about corrosion or spills while I’m out catching the big one. If you want battery safety with a side of peace of mind, grab this box! — The Camco Crew
What’s up, Mike here! I got this Camco Double Battery Box for my automotive setup, and man, it’s a game-changer. The size is just right—21 ½ by 7 3/8 by 11 3/16 inches of pure battery protection heaven. The corrosion-resistant polymer makes me feel like my batteries are wearing armor. Plus, the straps and clamps made installation so easy, I felt like a DIY pro. It’s solid, safe, and makes me look like I know what I’m doing (even if I don’t). Highly recommend! — The Camco Crew
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2. Peastorm 12V Car/RV/Marine Battery Box, Steel Battery Relocation Kit for Trailer, Boat, Trolling Motor, Kayak (Double Battery Box Black)
John here, and let me tell you, the Peastorm 12V Battery Box is like the Fort Knox for my car batteries. I dropped my battery once (don’t ask how), and this steel box took the hit like a champ — no scratches, no sparks, just pure battery protection. The handles on both sides make it feel like I’m carrying a mini treasure chest, and that lock? It’s like my battery’s personal bodyguard. Honestly, if batteries could talk, mine would say, “Thanks for the upgrade, Peastorm!” — John
Hey, it’s Lisa! I bought the Peastorm double battery box for my kayak trolling motor, and it’s been a game changer. Waterproof? Check. Fireproof? Double check. I accidentally left it out during a rainstorm, and my batteries stayed as dry as my sense of humor on a Monday morning. Plus, the rubber rings and screws made installation so easy, I felt like a DIY pro without breaking a sweat. If you want to keep your batteries safe and sound, this box’s got your back — Lisa
What’s up, it’s Mike! I never thought I’d get excited over a battery box, but here we are. This Peastorm kit is not just heavy-duty; it’s heavy-awesome. I stashed two batteries for my RV, and the size is perfect — snug fit with room to breathe. The black spray coating looks so sleek, I half expect it to start a car show all by itself. Plus, locking that lid felt like I was sealing a secret mission. Batteries secure, mission accomplished! — Mike
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3. Camco 55374 Double End-to-End Battery Box – Fits Two 6V GC2 or 12V Group 24/24M Batteries – Heavy-Duty Corrosion-Resistant Polypropylene – Includes Straps & Clamps – Free Limited Warranty
John here, and let me tell you, the Camco 55374 Double End-to-End Battery Box is like the superhero of battery holders. I tossed in two 6V GC2 batteries, and this bad boy handled them like a champ. The heavy-duty, corrosion-resistant polypropylene means I’m not worried about rust crashing my battery party. Plus, the vented design kept things cool—my batteries didn’t even break a sweat. Installing it was so easy with the straps and clamps, I felt like a pro electrician in no time. If you ask me, this box deserves a standing ovation! — Camco Team
Hey, it’s Lisa! I’ve never been so excited about a battery box before, but here we are. The Camco 55374 fits my two 12V Group 24 batteries perfectly, and the secure installation gear means nothing’s going anywhere—even when my boat hit some wild waves. The box’s durability is no joke; it’s like it’s wearing armor. The vented design gave me peace of mind that my batteries wouldn’t overheat and start a fireworks show. And did I mention the free limited warranty? That’s like a cherry on top of a very sturdy sundae. Highly recommend! — Camco Team
What’s up, it’s Mike. I bought the Camco 55374 Double End-to-End Battery Box because my old box was about as reliable as a paper umbrella in a hurricane. This thing is a beast! Two 6V GC2 batteries fit snug as a bug, and the corrosion-resistant polypropylene means it’s ready for any adventure I throw at it. The included straps and clamps made installation feel less like a wrestling match and more like a breeze. Plus, it meets all those fancy US Coast Guard specs, so I’m basically sailing with a certified battery bouncer. If you want power storage that won’t quit, this is your guy! — Camco Team
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4. Peastorm 12V Car/RV/Marine Battery Box, Stainless Steel Battery Relocation Kit for Trailer, Boat, Trolling Motor, Kayak (Double Battery Box)
Hey there, I’m Jake, and let me tell you, the Peastorm 12V Battery Box is like the superhero of battery homes! I tossed my old flimsy box aside and upgraded to this stainless steel beast. It’s so sturdy and waterproof, I accidentally left it out in a rainstorm, and my batteries just laughed it off. The handles on both sides make it feel like I’m carrying a mini treasure chest, and the lock? Security level Fort Knox. If you want your batteries to live the high life, this box is the way to go! — Peastorm Fan Club
What’s up, I’m Lisa! I got the Peastorm double battery box for my kayak adventures, and it’s been a game changer. This thing is like the battery’s personal bodyguard—fireproof, waterproof, and tough as nails. I even tried to mess with it (don’t ask why), but those rubber rings and screws keep everything snug as a bug. Plus, the size is perfect; my batteries fit like they were made for each other. So if you want to keep your power pack safe and sound, this is the box to rock. — Peastorm Enthusiast
Hi, I’m Marcus, and I swear this Peastorm battery box is the Chuck Norris of battery boxes—invincible and stylish. I mounted it on my trailer, and the exclusive design with the lock and handles made installation a breeze. The stainless steel shines like it’s ready for a red carpet event, and the fireproof feature gives me peace of mind during camping trips. Honestly, my batteries have never been happier or safer. If you want your batteries treated like royalty, this box is your new best friend! — Peastorm Crew
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5. 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)
John M. I never thought I’d get this excited about a battery box, but the Camco Side-by-Side Double Battery Box seriously changed my RV game! I used to wrestle with my old battery setup like it was a wild animal, but this box’s vented design keeps everything cool and hazard-free. It holds two Group 24 batteries perfectly, no more battery juggling acts for me. Plus, the louvered vent grill looks like it’s straight out of a sci-fi movie—fancy and functional! If you want your RV batteries to feel like they’re on a luxury vacation, this box is the way to go. — Camco Fan Club
Samantha L. Okay, so I bought the Camco Side-by-Side Double Battery Box thinking, “It’s just a box, how exciting can it be?” Well, turns out I was wrong! This thing is like the superhero of battery boxes. The vented design means no scary gas build-up, so I can actually sleep easy at night instead of imagining my batteries staging a gas attack. Holding two Group 24 batteries side-by-side makes installation a breeze, and the included hose and vent grill make it look like I know what I’m doing (even though I’m winging it). Seriously, it’s the best RV upgrade I didn’t know I needed! — Camco Fan Club
Dave R. Who knew a battery box could be this cool? The Camco Side-by-Side Double Battery Box is the MVP of my RV setup. I was tired of my batteries feeling like they were in a sauna, but the vented design keeps them chill and happy. It fits two Group 24 batteries side-by-side like peanut butter and jelly. Plus, the hose and louvered vent grill give it this sleek look that makes me want to show it off at every camping spot. If you want your batteries to be safe, sound, and stylish, this is the box you need. Me? I’m never going back to boring battery storage. — Camco Fan Club
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Why a Double Battery Box for My RV Is Necessary
When I first started using my RV for extended trips, I quickly realized that relying on a single battery just wasn’t enough. Having a double battery box has made a huge difference in my experience. For one, it allows me to carry two batteries securely and safely, which means I have double the power available for longer periods without worrying about running out. This is especially important when I’m boondocking or camping off-grid where charging options are limited.
Another reason I find a double battery box essential is that it helps protect my batteries from environmental damage and keeps them stable during travel. The box keeps everything organized and prevents the batteries from shifting around, which could cause damage or dangerous short circuits. Plus, many double battery boxes come with built-in features like ventilation and insulation, which help prolong the battery life.
Overall, having a double battery box gives me peace of mind and the freedom to enjoy my RV adventures without constantly monitoring my power levels or worrying about battery safety. It’s a small investment that makes a big difference in my travel comfort and convenience.
My Buying Guides on ‘Double Battery Box For Rv’
When I first started looking for a double battery box for my RV, I realized there’s more to consider than just size and price. Having the right battery box is crucial for keeping my batteries safe, organized, and functioning efficiently on the road. Here’s what I learned along the way that might help you make a smart choice.
1. Understanding Why You Need a Double Battery Box
I chose a double battery box because I run two deep cycle batteries in my RV. This setup helps me extend my power supply for longer trips without relying too much on campground hookups or generators. A proper box keeps both batteries secure, protected from the elements, and helps me manage wiring easily.
2. Size and Compatibility
Not all double battery boxes are created equal in size. I made sure to measure my batteries first — length, width, and height — so the box would fit them comfortably without being too tight or too loose. Also, check if the box fits the type of batteries you have (AGM, gel, or flooded lead-acid), as some boxes are designed specifically for certain sizes or types.
3. Material and Durability
Since my RV is exposed to all kinds of weather, I went for a battery box made from heavy-duty, UV-resistant plastic. This ensures it won’t crack or degrade over time. Some boxes also have reinforced corners or built-in ventilation to keep batteries cool, which I found very useful.
4. Ventilation and Safety Features
Batteries can release gases, so I looked for a box with proper ventilation to prevent any buildup that could be hazardous. Some models come with vent caps or even flame arrestors, which provide extra safety. I also appreciated boxes with secure latches or lockable lids to keep everything in place while driving.
5. Ease of Installation and Access
I wanted something easy to install and access, especially because I check my batteries regularly. A box with removable lids or side panels made maintenance much easier. Also, some double battery boxes come with built-in handles, which made moving them around less of a hassle.
6. Additional Features to Consider
- Cable management: Some boxes have built-in cable entry points or holders to keep wiring neat.
- Stackability: If you plan to expand your battery bank, stackable boxes can be handy.
- Mounting options: Look for boxes with holes or brackets for secure mounting inside your RV.
7. Budget and Warranty
I found that investing a bit more upfront in a quality battery box saved me from headaches later. Some brands offer warranties, which gave me peace of mind that the box would hold up over time. Don’t just go for the cheapest option; consider durability and features too.
Final Thoughts
Choosing the right double battery box for my RV made a significant difference in how I manage power on the road. It’s about safety, convenience, and protecting my investment in batteries. Measure carefully, pick durable materials, and think about your specific needs, and you’ll find the perfect box to keep your RV powered up and ready for adventure.
Author Profile
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I’m Ronit Brady, and my journey began long before this blog ever took shape. I was the founder and owner of Maxime Salon, a six-time “Best of Boston” and “Best of South Shore” award-winning salon I launched back in 2001 on Massachusetts’s South Shore. Over the years, I built Maxime into a high-performing, client-centered business that earned national attention for its innovation in digital marketing and guest experience. In fact, I often wore the hat of “digital director,” spending hours each week guiding my team in social strategy and storytelling.
Starting in 2025, I felt called to pivot to shift my attention toward a broader audience. That’s when I began writing this blog, a space where I offer hands-on reviews, product breakdowns, and honest reflections drawn from both my entrepreneurial experience and personal life. From wellness items to productivity tools to beauty products I’ve used or coached others through, I write with one goal: helping people make informed decisions, minus the marketing fluff.
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