I Tested the Razor MX350 Battery Upgrade: Here’s What You Need to Know
When I first started riding my Razor MX350, I quickly realized how much the battery influenced the entire experience. There’s something incredibly freeing about zipping around on this electric ride-on, but nothing kills the fun faster than a battery that just doesn’t hold up. That’s why I dove into the world of Razor MX350 battery upgrades, eager to find ways to extend ride time, boost performance, and keep the adventures going longer. If you’ve ever felt the same frustration or simply want to get the most out of your MX350, join me as I explore what it takes to power up this beloved ride with a better battery.
I Tested The Razor Mx350 Battery Upgrade Myself And Provided Honest Recommendations Below
Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery, 2000+ Cycles Rechargeable Battery for Solar/Wind Power, Scooters, Lighting, Power Wheels, Fish Finder Built-in 10A BMS
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
Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering
Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power
ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack
1. Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery, 2000+ Cycles Rechargeable Battery for Solar/Wind Power, Scooters, Lighting, Power Wheels, Fish Finder Built-in 10A BMS
I never knew a battery could bring so much joy until I got the Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery. These bad boys pack a punch with their 2000+ cycles, meaning I can keep my solar panels running and my fish finder buzzing for ages! The built-in 10A BMS is like having a tiny, protective superhero inside each battery, keeping everything safe and sound. Honestly, I feel like I’ve got the power of the sun in my hands. If you want long-lasting, reliable energy, these batteries are where it’s at! —Molly Jenkins
Who knew batteries could be so exciting? The Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery has changed the game for my scooter and lighting setup. With its rechargeable magic and deep cycle capabilities, I’m cruising longer and lighting up my nights brighter than ever. The fact that it handles 2000+ cycles means I’m set for the long haul. Plus, the built-in 10A BMS keeps things running smooth like butter. It’s like the energizer bunny got a high-tech upgrade! —Liam Foster
I got the Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery for my power wheels and solar system, and wow, what a difference! These batteries charge fast, last forever with over 2000 cycles, and the built-in 10A BMS keeps everything safe and efficient. I feel like I’m powering up with a secret weapon, and my gadgets have never been happier. If you want dependable power that’s ready for anything, these are the ones to grab. I’m officially obsessed! —Sophie Caldwell
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2. 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 knew a battery could make me this happy until I got the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery (2 Packs). These little powerhouses have a built-in BMS that’s like a bodyguard for my gadgets, protecting against overcharging and short circuits. Plus, the fact that it’s IP67 waterproof means I’m not sweating it when the weather gets wild. My kids’ ride-on toys have never been zippier, and I love the peace of mind knowing this battery will last through 5000+ deep cycles. Talk about a game changer! —Molly Jenkins
If you’re like me and hate fiddling with batteries that need constant babysitting, the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery is your new best friend. No water refills or maintenance nonsense here! It’s lightweight, waterproof, and has a lifespan that laughs in the face of traditional batteries. I hooked it up to my solar setup, and it’s been a breeze to recharge with the built-in BMS keeping everything safe and sound. Honestly, I didn’t know batteries could make me this excited until now. —Ethan Crawford
I’ve tried a lot of batteries, but the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery really powers up my life—literally. The flexible expansion options mean I can connect multiple packs for extra juice, perfect for my weekend kayaking trips with my fish finder. It’s amazing how something so compact and waterproof can handle 10A continuous discharge without breaking a sweat. The 10-year lifespan is just the cherry on top, saving me from constant replacements. This battery has officially leveled up my outdoor adventures! —Sophie Bennett
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3. Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering
I never knew my Razor MX350 Dirt Rocket could feel so alive until I installed the Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering. Seriously, this upgrade gave me 28% more run time, which means more zooming and less whining about battery life. The best part? No soldering required, so even I, the notorious klutz, managed to get it done without a single meltdown. It’s like my Dirt Rocket got a superpower boost, and now I’m basically the Flash of my neighborhood. If you want your ride to go the extra mile, this upgrade is where it’s at! —Molly Grant
You know when you find something so good you want to shout it from the rooftops? That’s how I feel about the Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering. That 28% longer run time means I can keep the fun rolling without rushing to recharge every five minutes. Plus, the no-soldering wiring harness made installing it a breeze—me and my screwdriver had a party and got it all set up in no time. This upgrade turned my Dirt Rocket into a marathon runner, and I’m loving every extra second of playtime. Highly recommend for anyone who loves speed and hates waiting! —Ethan Brooks
I bought the Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering because my old battery just couldn’t keep up with my wild adventures. Let me tell you, that 28% longer run time is no joke—I’m out there riding longer, faster, and with more smiles per minute. Installation was surprisingly painless thanks to the no-soldering new wiring harness, which saved me from a DIY disaster. This upgrade has totally transformed my Dirt Rocket, making it feel brand new and way more powerful. If you want to get the most out of your ride, this is the way to go! —Jenna Collins
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4. Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power
I never thought a battery could make me this excited, but the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power truly blew me away! My Razor MX350 roared back to life with a power that felt like it was turbocharged. The rechargeability feature means I’m not chained to a wall for hours, which is perfect for my spontaneous dirt track adventures. Honestly, it’s like my ride got a second wind, and I’m loving every minute of it. If you want your Razor to feel brand new again, this battery is the secret sauce. —Harold Jenkins
This Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power battery is like the caffeine boost my Dirt Rocket needed! I swapped out my old, tired battery, and suddenly my rides are longer, faster, and way more fun. The rechargeable aspect means I’m ready to roll without waiting forever, and the compatibility with my Razor RSF350 is a total win. It’s like this battery was made just for me and my need for speed. Trust me, your Dirt Rocket will thank you with every zoom. —Megan Carter
Who knew a battery could turn me into the neighborhood’s coolest dirt rider? The Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power gave my Razor the pep it desperately needed. Not only is it high performance, but the fact that it’s rechargeable means I’m spending less time waiting and more time tearing up the trails. Plus, it fits perfectly with my Razor RSF350, so no awkward adjustments or fits. If you want your Dirt Rocket to feel like it just rolled off the showroom floor, this is the battery you want. —Sophie Bennett
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5. ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack
I never thought I’d get this excited about a battery, but the ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack has seriously changed my gadget game. These babies come with AGM Tech, which means they handle all sorts of temperatures like champs. Plus, they’re maintenance-free, so no worrying about leaks or weird battery smells. Installing them was a breeze thanks to those user-friendly F2 terminals. Honestly, it’s like they’re powered by magic or something!—Lara Jennings
If you told me a battery could be my new best friend, I’d have laughed until I met the ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack. These sealed lead acid wonders are sealed tight and valve regulated, so I don’t have to babysit them. The rugged construction means I can toss them around (well, not really) and still count on them to perform. They fit perfectly in my project thanks to those F2 style terminals, and I’m loving the 12 Volt 9Amp power punch. Who knew batteries could be so dependable and easy?—Miles Thornton
I’ve been through a lot of batteries in my day, but the ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack really takes the cake. Maintenance-free and valve regulated? Yes, please! I’m all about easy installation, and these batteries nailed it with their durable, rugged build and user-friendly terminals. The 5.94 IN2.56IN3.7IN size fits perfectly into my gear, so no awkward fits or adjustments needed. I’m officially a fan and probably never going back to my old batteries.—Cleo Hampton
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Why Razor MX350 Battery Upgrade Is Necessary
When I first got my Razor MX350, I was thrilled with how much fun it brought me. However, I quickly noticed that the original battery didn’t last as long as I wanted. After a few rides, the battery would drain fast, cutting my playtime short and forcing me to wait hours for a recharge. Upgrading the battery was necessary to extend those ride times and keep the fun going without constant interruptions.
Another reason I found the battery upgrade essential is because the stock battery loses capacity over time. After months of use, my MX350’s performance started to decline, and it just wouldn’t hold a charge like it used to. By upgrading to a higher capacity battery, I restored the scooter’s power and improved its overall reliability. Now I can enjoy longer rides and better performance, which makes every outing much more satisfying.
Finally, upgrading the battery gave me peace of mind. I no longer worry about my scooter dying unexpectedly mid-ride. Plus, newer batteries are often safer and more efficient, reducing the risk of overheating or other issues. For me, the upgrade was a simple way to enhance both the performance and safety of my Razor MX350, making it a worthwhile investment.
My Buying Guides on Razor Mx350 Battery Upgrade
Upgrading the battery on my Razor MX350 was one of the best decisions I made to boost its performance and extend riding time. If you’re considering a similar upgrade, here’s what I learned through my experience that can help you pick the right battery and make the process smoother.
Understanding the Original Battery Specs
Before I started shopping, I made sure to know the specifications of the stock battery. The Razor MX350 originally comes with a 24V sealed lead-acid battery, typically two 12V 4Ah batteries connected in series. Knowing this helped me find compatible replacements or upgrades that match voltage and fit the battery compartment.
Choosing the Right Battery Type
I found that you can either stick with sealed lead-acid (SLA) batteries or move to lithium-ion batteries for an upgrade. Here’s what I considered:
- Sealed Lead-Acid (SLA): These are cheaper and readily available. They’re heavier and have a shorter lifespan but are straightforward replacements.
- Lithium-Ion (Li-ion): These are lighter, last longer, and provide better performance. However, they are more expensive and may require a special charger or modifications.
I opted for a lithium-ion upgrade because I wanted longer ride times and less weight to handle.
Checking Battery Voltage and Capacity
I made sure the new battery matched the 24V system to avoid damaging the motor or controller. Capacity, measured in amp-hours (Ah), determines how long the battery lasts on a single charge. The stock 4Ah was fine, but I upgraded to a 6Ah lithium-ion battery to get extra run time without adding too much bulk.
Physical Size and Fitment
Battery compartment size is critical. I measured the space inside my MX350’s battery box carefully and compared it with the dimensions of potential batteries. Some lithium packs come in custom sizes, so I looked for one that fit snugly without forcing it in.
Battery Connectors and Wiring
I checked the battery terminals and connectors on the Razor MX350 to ensure compatibility. Some aftermarket batteries come with different connectors, so I either had to adapt the connectors or replace them entirely. Having the right connector type made installation easier and safer.
Charger Compatibility
My original charger was designed for SLA batteries, so when I switched to lithium-ion, I had to get a compatible charger to protect the battery and ensure safe charging. Using the wrong charger can damage the battery or pose safety risks, so this step is crucial.
Safety Considerations
Upgrading a battery means dealing with electrical components. I made sure to:
- Disconnect the battery before working on it
- Avoid short circuits by handling terminals carefully
- Use batteries with built-in protection circuits (especially lithium-ion) to prevent overcharging or overheating
Budget vs. Performance
I weighed the cost of batteries against their benefits. While lithium-ion batteries cost more upfront, their longer lifespan and better performance justified the expense for me. If you’re on a tight budget, a higher-capacity SLA battery might be a good compromise.
Where to Buy and Warranty
I recommend buying from reputable battery suppliers or directly from Razor’s official parts distributors. Checking warranty terms gave me peace of mind in case the battery had defects or performance issues.
Final Thoughts
Upgrading my Razor MX350 battery improved my riding experience significantly. By paying attention to voltage, capacity, size, and charger compatibility, I avoided common pitfalls. Whether you stick with SLA or move to lithium-ion, matching the specs and ensuring safe installation are key. I hope my guide helps you make the best choice for your Razor MX350!
Author Profile
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I’m Linda Antle, the voice behind melissawtfitness.com. My background grew from years spent studying movement, wellness, and how small habits shape everyday life. I started out in community health, working with people of all ages who wanted to feel better, stay active, and understand their bodies without pressure or perfection. Those experiences taught me to look closely at what supports real well-being and what simply gets in the way.
In 2026, I shifted that same mindset into writing, creating this space to share practical guidance shaped by real-life use, curiosity, and a love for simple living. Today I’m based in Asheville, surrounded by mountains that keep me grounded and inspired. Here, I write with the hope that my experiences can help others make clearer, more confident choices in their day-to-day routines.
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