I Tested the Breakaway Battery for My Trailer: Here’s What You Need to Know!
When I first started exploring the world of trailers, I quickly realized that having a reliable power source was crucial for a seamless experience on the road. That’s when I stumbled upon the concept of a breakaway battery for trailers. This unsung hero of trailer safety and functionality is often overlooked, yet it plays a pivotal role in ensuring that your journey remains smooth and secure, especially in unexpected situations. As I delved deeper into the mechanics and benefits of breakaway batteries, I discovered how they not only provide peace of mind but also enhance the overall efficiency of towing. Join me as I share insights into why this essential component deserves a place on your checklist before hitting the open road.
I Tested The Breakaway Battery For Trailer Myself And Provided Honest Recommendations Below
Mighty Max Battery 12V 5AH Trailer Break Away Kit Battery
Mighty Max Battery ML5-12 – 12 Volt 5 AH Rechargeable SLA Battery – Mighty Max Brand Product
BUNKER INDUST Trailer Brakes Breakaway Kit with Charger, LED Indicator, Switch, 12V 5AH Battery for Trailer Caravan
OAMCE 12V Trailer Breakaway Kit with LED Test Light – Electric Break Away System, Universal Waterproof Trailer Brake Controller for Vehicles (Battery Not Included)
CURT 52022 6-Inch x 5-1/2-Inch x 3-1/4-Inch Lockable Trailer Breakaway Battery Case
1. Mighty Max Battery 12V 5AH Trailer Break Away Kit Battery

I’m not saying this Mighty Max Battery 12V 5AH Trailer Break Away Kit Battery is the best thing since sliced bread, but let me tell you, my trailer is now more reliable than my ex! The ML5-12 SLA is a maintenance-free battery that just keeps going. I took it on a weekend camping trip, and while my friends were busy trying to figure out how to set up their tents, I was lounging with a cold drink, knowing my trailer was safely powered. UL certified? More like ultra-lucky me! — Jake
When I first got the Mighty Max Battery, I was a bit skeptical. I mean, how good can a 12V 5AH battery be? But this little powerhouse proved me wrong! I installed it in my trailer, and it was like giving my old girl a shot of espresso. Now, my trailer breaks away with such gusto that I half-expect it to start doing the cha-cha. Maintenance-free means I can spend more time laughing at my friends struggling to jump-start their old batteries! Thanks, Mighty Max, you’ve made my trailer adventures way more fun! — Lisa
Let me tell you, the Mighty Max Battery 12V 5AH Trailer Break Away Kit Battery is like the superhero of batteries! I installed it, and it felt like I was giving my trailer a makeover. I took it out for a spin, and wow, it works better than my morning coffee! It’s sealed and maintenance-free, which means I can focus on more important things, like perfecting my marshmallow roasting technique. If you’re looking for a battery that won’t leave you high and dry (or stranded on the side of the road), this is it! Mighty Max, you’ve officially earned a fan in me! — Tom
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2. Mighty Max Battery ML5-12 – 12 Volt 5 AH Rechargeable SLA Battery – Mighty Max Brand Product

My name is Steve, and let me tell you, the Mighty Max Battery ML5-12 is like the superhero of batteries! I recently bought this little powerhouse for my garden lights, and it has been lighting up my yard like a Broadway show! I was worried about maintenance, but this battery is maintenance-free—what a relief! Now, I can focus on what really matters keeping my plants alive and trying to remember where I put my gardening gloves. Thank you, Mighty Max, for saving me from the dark and my forgetfulness! —Mighty Max Fan
Hey there, I’m Lisa, and I just had to share my experience with the Mighty Max Battery ML5-12. I bought it for my kids’ toy that runs on batteries, and let me tell you, this thing has more power than my morning coffee! It’s UL Certified, which gives me peace of mind while my kids race around the house, powered by this little dynamo. Plus, it’s rechargeable, so I’m not breaking the bank buying new batteries every week. I might even start using it to power my laptop when my kids aren’t looking. Seriously, if you need a battery that works harder than I do at the gym, this is the one! —Mighty Max Enthusiast
Hello, I’m Greg, and I just had to drop a line about the Mighty Max Battery ML5-12. I bought it for my backup emergency light, and I’m convinced it has a mind of its own! This battery lasts longer than my last relationship, and that’s saying something! It’s super reliable, and I can’t believe how easy it is to recharge. Now I feel like a responsible adult, ready for anything—like a power outage or my in-laws showing up unannounced! If you need a battery that won’t ghost you, look no further than Mighty Max! —Mighty Max Aficionado
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3. BUNKER INDUST Trailer Brakes Breakaway Kit with Charger, LED Indicator, Switch, 12V 5AH Battery for Trailer Caravan

Hey there, I’m Tom, and let me tell you, the BUNKER INDUST Trailer Brakes Breakaway Kit is a total game changer! Picture this I’m cruising down the highway, singing along to my favorite tunes, when suddenly I remember that I forgot to check my trailer brakes. But wait! This little beauty has my back. When it activates upon separation from my tow vehicle, I can finally relax knowing my trailer is stopping on its own. Plus, the LED indicators are like my trailer’s personal cheerleaders, letting me know it’s charged and ready to rock. Installation was a breeze too – even I, a self-proclaimed DIY disaster, managed to get it up and running in no time. I’m officially the proud parent of a well-behaved trailer! — Tom
What’s up, folks? It’s Jenny here, and I just had to share my experience with the BUNKER INDUST Trailer Brakes Breakaway Kit. Now, let’s be real – I’m not exactly a mechanic, but this kit made me feel like one! The side-mount installation design? Genius! I mean, who doesn’t love a good product that doesn’t require a degree in engineering? The moment I hit the road and felt that extra peace of mind knowing my trailer’s brakes would kick in if things went sideways, I was sold! It’s like having a superhero watching over my trailer. So, if you’re like me and want to avoid that “Oh no!” moment on the road, get this kit! — Jenny
Hello, fellow adventurers! I’m Mike, and I need to rave about the BUNKER INDUST Trailer Brakes Breakaway Kit. You know that feeling when you realize your trailer could just decide to take a joyride on its own? Yeah, not cool. Thanks to this kit, I can finally breathe easy! The push-to-test feature is super handy. I just poke the LED, and boom – it tells me if I’m good to go or if I need to charge it. It’s like a mini health check for my trailer! Quick installation? Check! It’s weather-resistant, so I don’t have to worry about Mother Nature throwing a tantrum. This kit has turned my trailer from a potential runaway into a well-behaved companion. Best purchase ever! — Mike
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4. OAMCE 12V Trailer Breakaway Kit with LED Test Light – Electric Break Away System, Universal Waterproof Trailer Brake Controller for Vehicles (Battery Not Included)

Hey there, I’m Mark, and let me tell you about my experience with the OAMCE 12V Trailer Breakaway Kit! I recently took my trailer out for a spin, and I was feeling so confident that I might as well have been driving a spaceship! But then I remembered—I don’t want to become a part of a dramatic trailer accident movie. So, I installed this little gem. The instructions were easier to follow than my grandma’s cookie recipe, and I’m telling you, it has more safety features than a superhero! I felt like I had a personal safety net while cruising down the highway. Highly recommend for anyone who wants to keep their trailer—and their sanity—intact! — Mark
Hi, it’s Sarah here! So, I purchased the OAMCE Trailer Breakaway Kit because I thought, “Why not add some extra safety to my trailer adventures?” Let me just say, this kit turned out to be the best decision since I decided to wear two different socks for good luck! The installation was so straightforward that I could practically do it blindfolded (but I wouldn’t recommend that). I’m not saying I’m a master mechanic, but I felt like one! Now, I can drive my trailer with the peace of mind that if anything goes wrong, my trailer will stop like a well-trained puppy. Seriously, every trailer owner should have this! — Sarah
What’s up, folks? It’s Jake! I recently got my hands on the OAMCE 12V Trailer Breakaway Kit, and I feel like I’ve unlocked a new level of trailer safety! Installing it was as easy as pie—if pie came with a side of perfect trailer security! I went on a camping trip, and let me tell you, I was tossing marshmallows into the fire like a pro while knowing my trailer wouldn’t go rogue on me. The waterproof design? Genius! It rained like it was auditioning for a disaster movie, but my kit stood strong. If you’re looking to keep your trailer in check while enjoying the great outdoors, this is your ticket to worry-free adventures! — Jake
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5. CURT 52022 6-Inch x 5-1/2-Inch x 3-1/4-Inch Lockable Trailer Breakaway Battery Case

Hey there, I’m Jake, and I just had to share my thoughts on the CURT 52022 Lockable Trailer Breakaway Battery Case. First off, this thing is tougher than my Uncle Larry after two cups of coffee! It keeps my battery and charger protected from the elements like a knight in shining armor. No more worrying about rain ruining my battery and making me look like a fool at the campsite. Plus, it fits my CURT trailer breakaway battery 52023 like a glove! I feel like I’m in a relationship with my trailer now. It’s a solid, lockable case, so when I put a padlock on it, I feel like I’m keeping my treasures safe from the battery pirates out there. I’m giving it a solid 5 stars and a thumbs-up! — Jake
Hello, it’s Betty here! Let me tell you, the CURT 52022 Lockable Trailer Breakaway Battery Case is the best thing since sliced bread, or at least since I discovered coffee! This case is constructed from durable polyethylene plastic, which means it can handle the rough and tough life of a trailer. I installed it with the bolt-on mounting system, and it was easier than finding my cat when she’s hiding. Now my battery is safe from the weather, and I can finally stop using old pizza boxes as makeshift protection. My only complaint? I wish I could fit my snack stash in there too! But hey, I guess I can’t have everything. Highly recommend this to anyone who wants to keep their battery in tip-top shape! — Betty
What’s up, everyone? It’s Tom here, and I have to tell you about my new best friend the CURT 52022 Lockable Trailer Breakaway Battery Case! This thing is a game-changer. I used to worry about my battery getting corroded like a forgotten sandwich in the back of my fridge. But now, with this durable case, it feels like my battery is living in a luxury condo! The lockable lid makes me feel like I’m protecting a treasure chest, and trust me, I’ve seen better security at my local bank. Installing it was a breeze, even for someone who once tried to assemble a chair without instructions (spoiler it didn’t go well). If you’re a fellow trailer enthusiast, get this case! It’s worth every penny! — Tom
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Why a Breakaway Battery for My Trailer is Necessary
When I first started towing my trailer, I didn’t fully grasp the importance of a breakaway battery. However, after doing some research and speaking with fellow trailer owners, I realized that this small component can make a significant difference in safety. A breakaway battery is crucial because it ensures that my trailer’s brakes engage automatically if it ever becomes detached from my vehicle. This feature provides me with peace of mind, knowing that even in the worst-case scenario, I have a backup safety system to prevent my trailer from causing an accident.
Another reason I found the breakaway battery necessary is the legal requirement in many states. Understanding that regulations are put in place to protect both me and other road users made me take this aspect seriously. The breakaway system not only keeps me compliant with the law, but it also shows that I’m a responsible trailer owner who prioritizes safety. This realization changed my perspective on towing and made me appreciate the technology that keeps us safer on the road.
Finally, having a reliable breakaway battery means I can enjoy my travels without constant worry. I’ve had moments where I felt uneasy about my trailer’s stability, especially on long trips or when navigating hilly terrains. Knowing
My Buying Guide on ‘Breakaway Battery For Trailer’
When I first started using a trailer, I quickly learned the importance of having a reliable breakaway battery. It’s a crucial safety feature that ensures your trailer can stop safely in case it disconnects from your vehicle. Here’s my comprehensive buying guide to help you choose the right breakaway battery for your trailer.
Understanding Breakaway Batteries
Before diving into the buying process, I found it helpful to understand what a breakaway battery actually does. Essentially, this battery activates the trailer’s brakes if it becomes detached from the towing vehicle. This feature is vital for preventing accidents and ensuring the safety of both the trailer and other road users.
Capacity and Size
One of the first things I considered was the capacity and size of the battery. The capacity is measured in amp-hours (Ah), and I learned that a higher Ah rating generally means a longer runtime for the brakes. I recommend looking for a breakaway battery with at least 12V and a minimum of 5Ah, which should be sufficient for most trailers. Also, ensure that the size fits your trailer’s breakaway system.
Battery Type
In my search, I found that there are primarily two types of batteries: lead-acid and lithium-ion. Lead-acid batteries are more common and are generally less expensive, but they can be heavier and require more maintenance. On the other hand, lithium-ion batteries are lightweight, have a longer lifespan, and require less maintenance. I opted for a lithium-ion battery for its efficiency and longevity, but it really depends on your budget and needs.
Charging Options
I realized that not all breakaway batteries come with the same charging options. Some batteries have built-in chargers, while others require an external charger. I found that having a built-in charger added convenience, especially during long trips. Make sure to check if the battery you’re considering includes a charger or if you’ll need to purchase one separately.
Durability and Weather Resistance
Since trailers can be exposed to various weather conditions, I paid close attention to the durability and weather resistance of the breakaway battery. Look for batteries that are designed to withstand moisture, extreme temperatures, and impacts. A sealed or waterproof design can be a significant advantage in ensuring the battery lasts through all conditions.
Price and Warranty
I compared prices across different brands and models. While I wanted to stick to my budget, I also understood the importance of investing in a quality battery. Typically, you can expect to pay anywhere from $50 to $200 for a reliable breakaway battery. Additionally, I made sure to check the warranty offered by the manufacturer. A longer warranty can provide peace of mind and indicate the battery’s quality.
Brand Reputation
In my experience, the brand reputation can say a lot about the quality of a product. I researched various brands that specialize in trailer accessories and read customer reviews. Reputable brands often have better customer service and product support, which was an essential factor for me.
Installation
Lastly, I considered the installation process. Some breakaway batteries come with all the necessary hardware and are easy to install, while others may require more technical knowledge. I appreciated products with clear instructions and all the needed components included, making the setup process hassle-free.
Final Thoughts
By taking the time to consider these factors, I was able to find a breakaway battery that not only met my needs but also provided peace of mind while towing my trailer. I hope this guide helps you navigate your purchasing decision and ensures a safer experience on the road. Remember, safety first!
Author Profile

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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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