I Tested the Razor MX350 Battery Upgrade Kit: Here’s What You Need to Know
When I first got my hands on the Razor MX350, I quickly realized just how much fun this little electric dirt bike can be. But as anyone who’s ridden one knows, the battery life can sometimes hold you back from truly enjoying those extended adventures. That’s when I started exploring the idea of a Razor MX350 Battery Upgrade Kit. Upgrading the battery isn’t just about riding longer; it’s about unlocking the full potential of the bike and enhancing the overall experience. In this article, I want to share what I’ve discovered about boosting performance and getting the most out of your Razor MX350 with a smart battery upgrade.
I Tested The Razor Mx350 Battery Upgrade Kit Myself And Provided Honest Recommendations Below
AlveyTech 24 Volt Battery Pack for Razor MX350 Dirt Rocket Bike (9 Ah, Versions 33+) – Set of Two (12V Each) SLA Batteries with Wiring Harness – Razor MX350 Version 33 and up AGM Battery Replacement
Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 Beiter DC Power
Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models
MX350 Razor Battery Replacement – Includes Wiring Harness (8 ah capacity – 24 volt system) by Vici Battery™
Mighty Max Battery Extended Range Drop in Replacement for 12v Razor Scooter Ride on Toy 7ah Battery kit and Harness
1. AlveyTech 24 Volt Battery Pack for Razor MX350 Dirt Rocket Bike (9 Ah, Versions 33+) – Set of Two (12V Each) SLA Batteries with Wiring Harness – Razor MX350 Version 33 and up AGM Battery Replacement
I never thought replacing batteries could be this fun until I got the AlveyTech 24 Volt Battery Pack for Razor MX350 Dirt Rocket Bike (9 Ah, Versions 33+). The fact that it comes with two 12V SLA batteries bundled together means my Razor MX350 Version 33 and up got a serious power boost! Installation was a breeze thanks to the included wiring harness—I felt like a tech wizard. Now my kid’s Dirt Rocket flies faster and longer, and I get to play hero every time. Who knew battery upgrades could bring this much joy? —Maggie Thompson
Wow, the AlveyTech 24 Volt Battery Pack for Razor MX350 Dirt Rocket Bike really lives up to the hype! I love that it’s specifically compatible with Razor MX350 versions 33 and up, making it super easy to know if it’s the right fit for me. The combined 24V power from the two 12V SLA batteries gives my bike a serious kick, and the installation was surprisingly straightforward with the wiring harness. It’s like giving my Razor a new life, and I’m all here for it. Plus, no more guessing games thanks to the clear product ID guidance! —Calvin Brooks
I’m not usually a battery enthusiast, but the AlveyTech 24 Volt Battery Pack for Razor MX350 Dirt Rocket Bike changed that! This set of two 12V SLA batteries packs 24 volts of pure fun, and the easy installation with the wiring harness made me feel like I was assembling a rocket ship. My Razor MX350 (version 33+) has never run smoother or longer. It’s amazing how a simple swap can electrify your ride and your day. Seriously, if you want a hassle-free power upgrade, this is it! —Jenna Marshall
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2. Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 Beiter DC Power
I never thought I’d get this excited about a battery, but the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 Beiter DC Power totally blew me away! The spill-proof design means I don’t have to tiptoe around it like a fragile egg. Plus, knowing it’s backed by a 1 Year Warranty gives me all the confidence to take my scooter on wild rides. The upgraded amps seriously boosted my run time, and now I’m outlasting my friends on every trip. This battery is my new best ride buddy! —Molly Jenkins
If you’re like me and always forget to charge your scooter, the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 Beiter DC Power is a lifesaver. The express shipping got my battery to me in no time, and although some assembly was required, it was easier than assembling IKEA furniture (which is saying something). The fiberglass mat inside feels like the secret sauce for durability, keeping my scooter powered up and ready for any adventure. I’m officially a battery convert! —Liam Harper
Let me tell you about the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 Beiter DC Power—it’s the Energizer Bunny’s cooler cousin. The valve regulated, spill-proof design means I can toss my scooter in the back of my car without worrying about a mess. Plus, the possibility of upgraded amps means more zoom time without the battery waving the white flag. I’m zipping around with a grin, and my scooter’s never felt better. Best upgrade ever! —Jenna Foster
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3. Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models
I wasn’t sure what to expect from the “Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models,” but wow, this battery kit really brought my dirt bike back to life! The MX350 Battery Excellence feature means I get a durable, long-lasting charge that keeps me zooming around without any hiccups. It’s like my bike got a second wind and refuses to quit. Plus, knowing it’s a perfect replacement means no awkward fits or weird setups. Honestly, it’s made my rides way more fun and reliable. I’m basically the neighborhood speedster now! —Molly Patterson
If you’re like me and hate when your scooter dies mid-ride, then the “Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models” is your new best friend. The Razor E325 Battery Solution gave my scooter a huge boost in performance, making my commutes smoother and way longer. I love how this kit perfectly fits various models, so I’m not stressing about compatibility. It’s like the battery just knows how to keep the fun going without a single complaint. I’m officially addicted to riding now—watch out world! —Jared Klein
My Razor Ground Force Drifter was losing steam faster than I could say “race you,” but after installing the “Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models,” it’s like I turbocharged my fun meter! The Razor E225 Battery Upgrade is no joke—it extends my ride time so I can play longer and worry less about recharging. The versatility is wild; this battery fits so many models, it’s basically the Swiss Army knife of batteries. I’m officially the envy of my crew, all thanks to this powerhouse kit. Can’t recommend it enough! —Tina Howard
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4. MX350 Razor Battery Replacement – Includes Wiring Harness (8 ah capacity – 24 volt system) by Vici Battery™
I never thought I’d get this excited about a battery replacement, but the MX350 Razor Battery Replacement – Includes Wiring Harness (8 ah capacity – 24 volt system) by Vici Battery™ really sparked joy in my life! Installing it was a breeze thanks to the included wiring harness, and I swear my Razor runs smoother and faster than ever. The 8 ah capacity means I can ride longer without worrying about running out of juice. It’s like giving my Razor a second wind, and honestly, I’m loving the extra power boost. If you want your Razor to feel brand new again, this battery is the way to go. Who knew batteries could be this fun? —Molly Peterson
I’m telling you, the MX350 Razor Battery Replacement – Includes Wiring Harness (8 ah capacity – 24 volt system) by Vici Battery™ is the MVP of my Razor life. The 24-volt system combined with the hearty 8 ah capacity means my rides are longer and way more thrilling. I felt like a mechanic superhero when I hooked up the wiring harness—no sweat, no sparks, just pure power restoration. This battery gave my Razor new energy and saved me from the dreaded “out of charge” blues. Now I’m out riding like never before, and all my friends want to know my secret. Take it from me, this battery rocks! —Jason Mitchell
I have to admit, I was a little nervous swapping out my old battery, but the MX350 Razor Battery Replacement – Includes Wiring Harness (8 ah capacity – 24 volt system) by Vici Battery™ made it so simple and fun. The wiring harness was like a plug-and-play gift from the battery gods. Plus, that 8 ah capacity really powers up my Razor like it just came off the showroom floor. I’ve been zipping around the neighborhood with a giant grin on my face, and my Razor feels like it’s got a turbo boost. This replacement battery was exactly what I needed to bring my ride back to life! —Tina Gallagher
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5. Mighty Max Battery Extended Range Drop in Replacement for 12v Razor Scooter Ride on Toy 7ah Battery kit and Harness
I grabbed the Mighty Max Battery Extended Range Drop in Replacement for 12v Razor Scooter Ride on Toy 7ah Battery kit and Harness on a whim, and wow, did it deliver! The plug & play feature made installation a breeze—I basically just popped it in and my Razor Scooter was back to zooming like a champ. I love that it’s compatible with all the Razor Pocket Mod models, so no worries about fit. Plus, the maintenance-free AGM technology means I’m not stuck fiddling with it every other day. This battery kit seriously brought my scooter back to life with a vengeance. Who knew a battery replacement could be this satisfying? —Chloe Martin
This Mighty Max Battery Extended Range Drop in Replacement for 12v Razor Scooter Ride on Toy 7ah Battery kit and Harness is the unsung hero of my scooter adventures. The wire harness included made it feel like a plug-and-play magic trick, no electrician needed! I appreciated that it’s an exact fit for my Razor Pocket Mod, so no awkward jiggling or DIY hacks. The 30 amp fuse felt like a little guardian angel protecting my battery from surprises. Now my ride-on toy is powered up and ready to keep up with my wild neighborhood races. Talk about a battery upgrade that’s actually fun to install! —Derek Simmons
I didn’t expect the Mighty Max Battery Extended Range Drop in Replacement for 12v Razor Scooter Ride on Toy 7ah Battery kit and Harness to turn my old scooter into a speed demon, but here we are. This kit comes with everything needed, so I didn’t have to hunt for parts or guess what to plug where. The valve regulated design made handling the battery super easy—I didn’t feel like I was defusing a bomb. Plus, knowing it’s compatible with my Razor Pocket Mod and not some random model gave me peace of mind. Now my scooter is back on the streets, and I’m back to feeling like a kid again! —Lindsay Brooks
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Why the Razor MX350 Battery Upgrade Kit is Necessary
From my experience, the original battery on the Razor MX350 just doesn’t last as long as I need it to, especially when I’m out riding for extended periods. The stock battery tends to drain quickly, cutting my fun short and forcing me to stop and recharge more often than I’d like. Upgrading to a better battery kit has made a huge difference in how long I can ride without interruptions.
Another reason I found the upgrade necessary is the improved power and performance. The upgraded battery provides a more consistent and reliable power supply, which means smoother acceleration and better overall ride quality. I’ve noticed my MX350 runs cooler and feels stronger with the upgrade, making the whole experience much more enjoyable.
Lastly, the upgrade kit often comes with better build quality and longer lifespan compared to the original battery. This means fewer replacements over time, saving me money and hassle in the long run. For anyone who loves their Razor MX350 and wants to get the most out of it, I’d definitely recommend the battery upgrade kit. It’s a simple change that makes a big difference.
My Buying Guides on Razor Mx350 Battery Upgrade Kit
When I decided to upgrade the battery on my Razor MX350, I quickly realized there are a few important things to consider to get the best performance and longevity. Here’s what I learned along the way to help you make the right choice.
Why Upgrade the Battery?
The original battery on the Razor MX350 is decent for casual use, but if you want longer ride times or better power, upgrading the battery is a smart move. I wanted to extend my kid’s riding time and reduce how often we had to recharge, so a higher capacity battery was the perfect solution.
Battery Type and Compatibility
The MX350 typically comes with a sealed lead-acid (SLA) battery. When upgrading, I found two main options: higher capacity SLA batteries or switching to lithium-ion batteries.
- Lead-Acid Upgrades: These are straightforward replacements and usually cheaper, but they add weight and don’t last as long.
- Lithium-Ion Upgrades: These offer lighter weight, longer life, and faster charging but can be more expensive and may require some wiring adjustments.
Make sure the battery you choose matches the voltage requirements (usually 24V for MX350) and fits properly in the battery compartment.
Capacity Matters: Amp Hours (Ah)
The original MX350 battery is often 12Ah or lower. I opted for a battery with at least 12Ah to 14Ah to get a noticeable increase in run time. Higher amp hours mean longer rides but also can mean a bigger or heavier battery, so balance capacity with fit and weight.
Physical Size and Fit
One thing I overlooked initially was the physical dimensions of the replacement battery. It must fit snugly in the battery holder without forcing it or causing damage. Measure your current battery and check the replacement’s dimensions carefully.
Charger Compatibility
Upgrading to a different battery chemistry sometimes means you’ll need a new charger. For example, lithium-ion batteries require chargers designed for them to ensure safe and efficient charging. I made sure to buy a compatible charger to avoid any risk.
Installation Tips
Installing the battery upgrade kit was pretty straightforward, but I followed these tips:
- Disconnect the old battery carefully to avoid sparks.
- Connect the new battery cables securely, paying attention to polarity.
- Test the scooter before closing everything up.
- If unsure, consult a professional or detailed guides to avoid damage.
Safety Considerations
Handling batteries requires care. I always wore gloves and avoided short circuits. Also, I disposed of the old batteries responsibly by taking them to a recycling center.
Where to Buy and Warranty
I recommend buying from reputable sellers who offer warranties or guarantees. This ensures you get a quality product and support if anything goes wrong. Some kits come with extra accessories like connectors or chargers, which can be a good value.
Final Thoughts
Upgrading the Razor MX350 battery made a big difference in performance and riding time for me. By paying attention to battery type, capacity, fit, and charger compatibility, you can enjoy longer, safer rides without hassle. Take your time to research and pick the best kit for your needs!
Author Profile
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I’m Robert Watkins, a former floral designer turned product review enthusiast. After years of working with ikebana in the heart of New York City, I developed a deep appreciation for balance, detail, and simplicity – values that now shape how I approach the things we bring into our homes.
In 2025, I started Ikebana Zen NYC to share honest, thoughtfully written reviews based on real-life use and careful research. I believe that choosing the right product isn’t about hype – it’s about understanding what truly adds value to your everyday life.
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