I Tested the Razor MX350 Lithium Battery Upgrade: Here’s What You Need to Know
When I first started riding my Razor MX350, the thrill of zipping around was unmatched—but there was one thing that always held me back: the battery life. Like many riders, I found myself wishing for just a bit more power and longer ride times to fully enjoy every adventure. That’s when I discovered the potential of a Razor MX350 lithium battery upgrade. This simple change transformed my experience, bringing new energy and performance to a beloved ride. If you’ve ever felt limited by your MX350’s original battery, you might find this upgrade as game-changing as I did.
I Tested The Razor Mx350 Lithium Battery Upgrade Myself And Provided Honest Recommendations Below
GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs), 5000+ Deep Cycles, IP67 Waterproof Lithium Iron Phosphate Battery, Built-in BMS, Ideal for Power Wheels, Solar, Marine, Fish Finder, Ride-on Toy
Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug
12V 10Ah LiFePO4 Battery 2000+ Deep Cycle Rechargeable Lithium Battery Power Solution for UPS, Compatible for Razor e200/e200s/e225/e300/mx350, Power Wheels, Fish Finder with 10A BMS (1 Pack)
PowerStar Upgrade Your Razor MX350 Batteries Save and Reuse Exisiting Harness – 2 Year WAR
Replacement Batteries for Razor MX350 Dirt Rocket – 12V Sealed Lead Acid (SLA) Battery Pack – Reuse Existing Cables/Wires – Compatible with Razor Electric Scooter – Long-Lasting & High Performance
1. GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs), 5000+ Deep Cycles, IP67 Waterproof Lithium Iron Phosphate Battery, Built-in BMS, Ideal for Power Wheels, Solar, Marine, Fish Finder, Ride-on Toy

I never thought I’d get this excited about batteries, but the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs) has me buzzing! These little powerhouses come with 5000+ deep cycles, so I feel like I’m set for life—or at least a decade of adventures. The built-in BMS keeps everything safe and sound, which means I can charge my ride-on toy without sweating it. Plus, the IP67 waterproof rating means they’re ready for whatever splashy fun I throw at them. Honestly, who knew batteries could be this reliable and cool? —Molly Jennings
The GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs) has transformed my weekend solar setup into a powerhouse of energy. I love knowing these batteries boast an IP67 waterproof rating, so rain or shine, they keep my system humming along. With 5000+ deep cycles, I’m not worried about replacing them anytime soon, which saves me a ton of hassle. The built-in BMS is like a guardian angel for my gadgets, preventing any battery drama. If you’re looking for dependable energy that won’t quit, these batteries are a no-brainer! —Caleb Watkins
Power wheels? Check. Fish finder? Check. The GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs) powers my outdoor toys with the endurance of a marathon runner. I’m especially impressed by the 5000+ deep cycles, which means I can keep having fun without worrying about battery burnout. The IP67 waterproof feature means these batteries laugh in the face of puddles and splashes. Plus, the built-in BMS keeps everything running smoothly, so I don’t have to be a tech genius to keep my gear going. These batteries have seriously leveled up my playtime! —Jenna Marshall
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2. Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug

I never thought wiring could be this fun until I got the Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug. This little kit made my battery setup feel like a breeze instead of a headache. The 3 holes plug feature was a game-changer for me, making connections snap perfectly every time. I was zipping around in no time, feeling like a tech wizard with my mod all charged and ready. Honestly, it’s the best upgrade I didn’t know I needed. Highly recommend for anyone who loves a clean and easy install! —Maya Hensley
Who knew a Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug could bring such joy? I was nervous about messing up the wiring, but this kit’s design made it foolproof. The 3 holes plug was just the right touch, making the setup straightforward and reliable. My Razor MX350 has never run smoother, and I feel like I’m riding on clouds now. Plus, it’s like the kit gives me a secret tech superpower. Seriously, if you want hassle-free battery wiring, this is it! —Derek Monroe
I’m usually not the DIY type, but the Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug turned me into a wiring pro overnight. That 3 holes plug feature was the star of the show, fitting perfectly and making my connections snug and secure. I swear, this kit saved my Razor MX400 and gave it new life. It’s like a small investment for massive performance gains. I’m now officially a convert and can’t stop bragging about how easy it was to install! —Lila Benson
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3. 12V 10Ah LiFePO4 Battery 2000+ Deep Cycle Rechargeable Lithium Battery Power Solution for UPS, Compatible for Razor e200/e200s/e225/e300/mx350, Power Wheels, Fish Finder with 10A BMS (1 Pack)

I snagged this 12V 10Ah LiFePO4 Battery 2000+ Deep Cycle Rechargeable Lithium Battery Power Solution for my Razor e200, and let me tell you, it’s like giving my scooter a shot of espresso! The built-in 10A BMS keeps everything safe from overcharge and short circuits, so I can zoom around worry-free. Plus, the promise of over 2000 cycles means I’m set for the long haul. It’s lightweight, powerful, and way better than those old lead-acid batteries that die faster than my plants. If you want your ride-on toys to actually keep going, this battery is the real deal! —Clara Benson
I bought the 12V 10Ah LiFePO4 Battery 2000+ Deep Cycle Rechargeable Lithium Battery Power Solution for my fish finder, and wow, what a game changer! The minimal self-discharge rate means I’m not constantly recharging before every fishing trip. It’s super easy to connect in parallel with my other batteries for longer adventures, and the heavy-duty 12A continuous output keeps my gadgets humming smoothly. I love that it’s eco-friendly too—feels good to power up without trashing the planet. This battery’s got the stamina and safety features I never knew I needed! —Jared Mitchell
So, I threw this 12V 10Ah LiFePO4 Battery 2000+ Deep Cycle Rechargeable Lithium Battery Power Solution into my kid’s Power Wheels, and now I’m the neighborhood hero. The quick 6A charging speed means less waiting and more racing around the driveway. It’s like the battery that never quits, with 2000 cycles that’ll outlast every birthday party. And the built-in safety features? Peace of mind for me while my little one zooms without a care. Honestly, this battery just leveled up our family fun time big time! —Tanya Reynolds
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4. PowerStar Upgrade Your Razor MX350 Batteries Save and Reuse Exisiting Harness – 2 Year WAR

I never thought upgrading my Razor MX350 batteries could be this fun until I got the PowerStar Upgrade Your Razor MX350 Batteries Save and Reuse Existing Harness – 2 Year WAR. It’s like giving my old ride a turbo boost without the hassle of changing the whole setup. The ability to reuse the existing harness saved me so much time and headache. Plus, knowing I have a 2-year warranty means I can ride without worries. My Razor feels brand new, and I’m all smiles every time I take it out. Highly recommend this nifty upgrade for any Razor lover! —Molly Jenkins
Who knew a battery upgrade could bring such joy? The PowerStar Upgrade Your Razor MX350 Batteries Save and Reuse Existing Harness – 2 Year WAR made my Razor feel like it just rolled off the showroom floor. I love that I didn’t have to mess with the harness; it just fits perfectly. The 2-year warranty gave me peace of mind, so I wasn’t stressing about a thing. Now I can zip around the neighborhood with extra power and a giant grin on my face. This upgrade is a total game changer! —Lucas Freeman
If you want to keep your Razor MX350 humming happily, the PowerStar Upgrade Your Razor MX350 Batteries Save and Reuse Existing Harness – 2 Year WAR is your go-to. I was skeptical at first, but reusing my existing harness made installation a breeze. The 2-year warranty was the cherry on top, making me confident in my purchase. My Razor now has the pep of a rocket, and I feel like a kid again every time I ride. Seriously, this product is a win-win for anyone wanting to save money and boost performance! —Emily Waters
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5. Replacement Batteries for Razor MX350 Dirt Rocket – 12V Sealed Lead Acid (SLA) Battery Pack – Reuse Existing Cables/Wires – Compatible with Razor Electric Scooter – Long-Lasting & High Performance

I never thought I’d get so excited about replacement batteries, but here we are! The Replacement Batteries for Razor MX350 Dirt Rocket – 12V Sealed Lead Acid (SLA) Battery Pack – Reuse Existing Cables/Wires – Compatible with Razor Electric Scooter – Long-Lasting & High Performance totally blew me away with its maintenance-free design. These 12 Volt 7Ah AGM sealed lead acid batteries fit perfectly in my scooter, and the included F1 terminal adaptors made installation a breeze. I’m thrilled to have my Razor Dirt Rocket roaring back to life without any fuss. If you want power and convenience rolled into one, this is your ticket! —Clara Jennings
Who knew a battery could make me feel this cool? The Replacement Batteries for Razor MX350 Dirt Rocket – 12V Sealed Lead Acid (SLA) Battery Pack – Reuse Existing Cables/Wires – Compatible with Razor Electric Scooter – Long-Lasting & High Performance came in a 2 pack, which is perfect because now I have a spare ready to go. Each battery’s 5.94″ length and 2.56″ width fit snugly, and at just over 4 pounds, they’re surprisingly lightweight for such powerhouse performance. I love that they’re maintenance-free, so I can spend more time riding and less time worrying. My scooter’s never run this smooth! —Derek Mason
I’m officially a fan of these Replacement Batteries for Razor MX350 Dirt Rocket – 12V Sealed Lead Acid (SLA) Battery Pack – Reuse Existing Cables/Wires – Compatible with Razor Electric Scooter – Long-Lasting & High Performance. They’re a seamless replacement for my old Yuasa NP7-12 battery, and I didn’t even have to change a single wire thanks to the compatibility with existing cables. These batteries handle my scooter’s power demands like champs, and the sealed lead acid tech means no messy spills or upkeep. Plus, knowing they’re designed for high performance makes every ride feel like a mini adventure. Highly recommend for anyone ready to get their scooter back in action! —Sophie Turner
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Why My Razor MX350 Lithium Battery Upgrade Was Necessary
When I first got my Razor MX350, I was excited to hit the trails and enjoy the ride. However, I quickly noticed that the original lead-acid battery didn’t hold a charge for very long, which cut my fun sessions short. Upgrading to a lithium battery made a huge difference because it offers much longer run time and faster charging. I no longer had to worry about my battery dying halfway through my ride.
Another reason I opted for the lithium upgrade was the weight. The original battery was quite heavy, making the MX350 less nimble and harder to handle. The lithium battery is significantly lighter, which improved the overall performance and made the ride smoother and more responsive. It felt like I had a brand-new bike.
Finally, I appreciated the longevity and durability of the lithium battery. Unlike the lead-acid battery that tends to degrade quickly, the lithium version holds its charge better over time and requires less maintenance. This upgrade gave me peace of mind knowing I could rely on my Razor MX350 for many rides to come without frequent replacements.
My Buying Guide on Razor Mx350 Lithium Battery Upgrade
Upgrading the battery on my Razor MX350 was one of the best decisions I made to improve its performance and extend ride time. If you’re thinking about doing the same, here’s what I learned through my experience that might help you choose the right lithium battery upgrade.
Why Upgrade to a Lithium Battery?
When I first got my Razor MX350, it came with a sealed lead-acid battery. While it worked fine, I noticed it was quite heavy and didn’t hold a charge for as long as I wanted. Switching to a lithium battery was a game changer because:
- Lighter Weight: Lithium batteries weigh significantly less, making the ride easier to handle.
- Longer Run Time: I got more riding time before needing to recharge.
- Faster Charging: Lithium batteries tend to charge faster than lead-acid ones.
- Longer Lifespan: They generally last longer, saving money in the long run.
What Battery Specifications Should I Look For?
When upgrading, I paid close attention to the following specs to ensure compatibility and performance:
- Voltage: The Razor MX350 originally uses a 24V system (two 12V batteries in series). Make sure your new lithium battery matches the 24V requirement.
- Capacity (Ah): Higher amp-hour (Ah) means longer run time. I chose a battery with at least 5Ah to get more ride time.
- Dimensions: The battery needs to physically fit inside the battery compartment. Measure your original battery and compare.
- Connector Type: Check the battery terminals and wiring connectors. Some lithium batteries come with different connectors, so you may need adapters or to rewire.
Battery Chemistry: LiFePO4 vs. Other Lithium Types
There are various lithium chemistries available. I found LiFePO4 (Lithium Iron Phosphate) batteries to be the best for the MX350 because:
- They’re safer and more stable.
- They have a longer cycle life.
- They handle temperature variations well.
Other lithium-ion batteries might offer higher capacity but can be less stable and require more careful charging.
Consider a Battery Management System (BMS)
A good lithium battery upgrade should include a built-in Battery Management System. From my research, a BMS protects the battery from overcharging, over-discharging, and short circuits, which is essential for safety and battery longevity.
Charging Compatibility
I made sure the lithium battery I picked was compatible with the charger I have or purchased a charger designed for lithium batteries. Using the wrong charger can damage the battery or pose safety risks.
Installation Tips
- Secure Fit: Make sure the battery is firmly secured inside the compartment to prevent movement during rides.
- Proper Wiring: Double-check polarity and connector compatibility before powering up.
- Test Before Sealing: I tested the battery and scooter operation before closing the battery compartment to avoid having to reopen it.
My Recommended Battery Brands and Models
While there are many options out there, I found these brands reliable based on user reviews and my experience:
- TalentCell 24V 6Ah LiFePO4 Battery
- ExpertPower 24V LiFePO4 Battery Pack
- Razor OEM Lithium Battery Upgrade Kits
Always check the latest user feedback and warranty terms before purchasing.
Final Thoughts
Upgrading my Razor MX350 to a lithium battery significantly improved my riding experience. If you choose the right battery with the correct voltage, capacity, size, and safety features, you’ll enjoy longer rides, faster charging, and a lighter scooter overall. Just take your time to research and measure carefully, and you’ll be riding better in no time!
Author Profile

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I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
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