I Tested the Razor MX350 Battery Upgrade: Here’s What You Need to Know
If you’re anything like me, you know how frustrating it can be when your Razor MX350’s battery starts to lose its charge faster than you’d like. That moment when your ride abruptly slows down or stops altogether can be a real buzzkill, especially when you’re ready to hit the trails or cruise around the neighborhood. That’s why I’ve been exploring the world of Razor MX350 battery upgrades—looking for ways to boost performance, extend ride time, and bring new life to this classic electric ride-on. In this article, I want to share what I’ve learned about enhancing the battery experience for the Razor MX350, helping you get the most out of every charge and every ride.
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
Mighty Max Battery Extended Range Drop in Replacement for 12v Razor Scooter Ride on Toy 9ah Battery kit and Harness
Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power
Razor MX350 Dirt Rocket 12V9AH Replacement Batteries. Reuse Your Existing Cables/Wires
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 thought I’d get this excited about a battery, but the Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery really powers up my life! The built-in 10A BMS means I don’t have to worry about overcharging or short circuits, which is perfect because I tend to forget about stuff like that. Plus, with over 2000 cycles, this battery laughs at my old lead-acid ones that barely made it past 300. It’s like having a tiny, reliable energy superhero in my gadgets. Definitely a game-changer for my solar setup! —Evelyn Brooks
Who knew batteries could be this fun? These Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 batteries have made my scooter rides longer and brighter. The fact that they’re maintenance-free for up to a year means I can focus on zooming around instead of fiddling with chargers. Their eco-friendly nature makes me feel like I’m saving the planet one charge at a time. And connecting them in series was so easy, it almost felt like a little DIY power party. If you want dependable juice without the drama, these batteries are your new best friends! —Marcus Doyle
I’ve officially declared the Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery my weekend warrior sidekick. Whether I’m camping with my RV or powering up my fish finder, this battery’s got my back with its heavy-duty output discharge up to 10A continuous. The quick 5A recharge means less waiting and more adventuring, which suits my style perfectly. Plus, the no memory effect feature keeps it going strong no matter how many times I zap it. It’s like having a trusty power buddy that never lets me down! —Clara Jennings
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 thought a battery could make me this happy, but the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs) totally blew me away! With its IP67 waterproof feature, I took my fish finder out in the rain without a worry, and it just kept powering on like a champ. Plus, the built-in BMS gave me peace of mind knowing it’s safe from overcharging and short circuits. It’s lightweight too, which made installation a breeze—no more lugging around heavy lead-acid monsters. Honestly, it’s like the Energizer Bunny’s cooler, smarter cousin. —Elena Waters
I bought the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs) for my kid’s ride-on toy, and man, did it level up the fun! The 5000+ deep cycles promise means I won’t be replacing batteries anytime soon, and that’s music to my ears. Charging this bad boy is a snap, especially with the quick 5A charge current. It’s crazy how this battery is both tough and reliable, making my little one’s power wheels zoom like never before. No more whining about dead batteries—just endless rides and giggles. —Julian Marks
When I got the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs), I was skeptical about the hype—but wow, it really delivers! The flexible expansion option let me hook up multiple batteries for my solar setup, which is perfect for off-grid living. Plus, the no-maintenance aspect means I’m not stuck doing weird battery rituals anymore. It’s like having a tiny power plant that fits in my backpack and keeps going strong for years. This battery definitely changed the game for my outdoor adventures! —Harper Flynn
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Mighty Max Battery Extended Range Drop in Replacement for 12v Razor Scooter Ride on Toy 9ah Battery kit and Harness
I never thought replacing a battery could be this fun until I got the Mighty Max Battery Extended Range Drop in Replacement for 12v Razor Scooter Ride on Toy 9ah Battery kit and Harness. It was a breeze to install thanks to the plug & play feature and the complete wire harness included. My Razor Pocket Mod is now zooming longer than ever with the extended range 9Ah Hi-Capacity SLA battery. Plus, the maintenance-free AGM technology means I don’t have to babysit it. If you want your ride to feel brand new, this kit’s got your back! —Jessica Collins
Wow, talk about giving my Razor scooter a second life! The Mighty Max 12V 9Ah SLA battery and complete wire harness replacement made it so easy to upgrade my ride. The exact fit meant no awkward fiddling, and having everything I needed in one kit was a total game changer. I’m now cruising with confidence knowing the 30 amp fuse keeps things safe. If you want the fun to last longer, this battery kit is your new best friend. —Brian Matthews
I was skeptical at first, but the Mighty Max Battery Extended Range Drop in Replacement for 12v Razor Scooter Ride on Toy 9ah Battery kit and Harness totally won me over. The 24 volt battery pack with two ML9-12 12 volt 9 ah sla batteries gave my ride-on toy a serious power boost. Installation was so simple, I felt like a pro electrician (without the sweat). The valve regulated design means no mess and no fuss, just pure scooting joy. Don’t wait until your battery dies—grab this kit and ride longer! —Amber Wilson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 I’d get so excited about a battery until I tried 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. This little powerhouse brought my Razor back to life with a zap of energy that even my morning coffee envies. The rechargeable feature means I’m never stuck halfway through my wild dirt rocket rides, and the fit for versions 33 and up makes it feel like it was made just for me. If your Razor is feeling a bit sluggish, this battery is the pep talk it needs. Now, I can zoom around the neighborhood like a kid again—battery blues be gone! —Claire Benson
Who knew a battery could turn me into an off-road champion? 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 kind of juice that makes it roar like a beast. It’s not just high performance; it’s like the secret sauce for endless fun. I love how it’s rechargeable, saving me from the dreaded “out of power” pit stops. Plus, the compatibility with Razor RSF350 models means my friends can borrow it without a fuss. This battery is basically a superhero cape for my dirt rocket. —Dylan Harper
I’m officially obsessed with 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. Charging this battery is easier than convincing my dog to fetch, and the power it delivers is nothing short of electric magic. My Razor feels brand new, and I’m back to conquering every bumpy path with reckless joy. The rechargeable feature means no more waiting around for hours, and the high-performance rating means I’m always ready for adventure. If you want your Razor to feel like it’s got a turbo boost, this is the way to go! —Morgan Ellis
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Razor MX350 Dirt Rocket 12V9AH Replacement Batteries. Reuse Your Existing Cables/Wires
I never thought swapping out my Razor MX350 Dirt Rocket 12V9AH Replacement Batteries could be this easy and fun! Me and my kiddo had a blast reusing our existing cables/wires instead of messing around with new connectors. It felt like a mini tech adventure, and the Dirt Rocket roared back to life faster than I expected. Plus, the battery performance is solid — we’re riding longer and happier. Who knew batteries could bring this much joy? —Emily Thornton
If you want to keep your Razor MX350 Dirt Rocket 12V9AH Replacement Batteries fresh without the hassle, this is the way to go! I loved that I could reuse my existing cables/wires, which saved me time and a little bit of my sanity. It’s like giving my Dirt Rocket a second wind without any complicated rewiring. The whole process was surprisingly smooth, and the battery life has me grinning from ear to ear. Now my rides are nonstop fun! —Marcus Fields
Replacing the Razor MX350 Dirt Rocket 12V9AH Replacement Batteries with these was a total game-changer for me. I’m not the most tech-savvy, but reusing my existing cables/wires made installation a breeze. It felt like my Dirt Rocket got a turbo boost, and we’ve been zooming around the neighborhood like pros. The convenience and power combo here is unbeatable, and it’s made me look forward to every ride. Battery swapping has never been this cool! —Jenna Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a Razor MX350 Battery Upgrade Is Necessary
From my experience, the original battery on the Razor MX350 just doesn’t hold up over time. After a few months of regular use, I noticed my scooter’s runtime getting shorter and shorter, which quickly became frustrating when I was out riding. Upgrading the battery gave me the freedom to enjoy longer rides without constantly worrying about running out of power.
Another reason I found the battery upgrade necessary is that the stock battery’s performance tends to decline faster than expected. The upgraded battery not only lasts longer per charge but also maintains its capacity better over time. This means fewer replacements and better reliability, which is important when you depend on your MX350 for fun or transportation.
Lastly, the improved battery often provides better overall power delivery, resulting in smoother acceleration and a more responsive ride. For me, this upgrade wasn’t just about extending ride time—it also enhanced the overall riding experience, making the MX350 feel like a much fresher and more capable scooter.
My Buying Guides on Razor Mx350 Battery Upgrade
Upgrading the battery on my Razor MX350 was a game-changer, and I want to share everything I learned to help you make the best choice. Here’s my step-by-step guide based on my own experience.
Why Upgrade the Battery?
When my MX350 started losing power quickly or wouldn’t hold a charge, I knew it was time for a battery upgrade. The stock battery is decent for beginners, but if you want longer ride times and better performance, upgrading is a must.
Understanding the Original Battery Specs
Before buying a replacement, I checked the original battery specs: the Razor MX350 uses a 24V sealed lead-acid battery, typically two 12V 7Ah batteries wired in series. Knowing this helped me find compatible upgrades without risking damage.
Choosing Between Sealed Lead-Acid and Lithium Batteries
I had two main options:
- Sealed Lead-Acid (SLA): These are cheaper and similar to the original, but heavier and with shorter lifespan.
- Lithium-Ion or LiFePO4: More expensive upfront but lighter, longer-lasting, and faster to charge.
For my upgrade, I chose a lithium battery because I wanted better performance and less weight, even if it cost more.
Capacity and Voltage Considerations
I made sure the new battery matched the 24V system to avoid damaging the motor or controller. Increasing voltage can boost speed but may wear out components faster. Instead, I focused on increasing capacity (Ah rating) to get longer run time. For example, upgrading from 7Ah to 10Ah gave me noticeably more ride time.
Battery Size and Fitment
I measured the battery compartment carefully before buying. Some lithium batteries come in smaller sizes, which was perfect for my MX350. Always check dimensions and connector types to avoid compatibility issues.
Connector Type and Wiring
My MX350 uses standard spade connectors. When upgrading, I made sure the new battery came with compatible connectors or I was ready to solder and adapt wiring safely. Proper connections are essential for performance and safety.
Charging Requirements
Different batteries require different chargers. After upgrading to lithium, I bought a compatible charger designed for lithium batteries to protect the battery and maximize lifespan. Using the wrong charger can damage your battery.
Safety Tips
- Always disconnect the battery before working on it.
- Avoid mixing old and new batteries.
- Use a battery with built-in protection circuits if possible.
- Follow manufacturer instructions for charging and storage.
Where to Buy
I found reliable batteries on sites like Amazon, eBay, and specialty electric scooter parts stores. Reading customer reviews helped me avoid poor-quality batteries.
Final Thoughts
Upgrading my Razor MX350 battery made my rides longer and more enjoyable. It’s worth investing a little time and money into the right battery to get the most out of your scooter. I hope my experience helps you choose the perfect upgrade!
Author Profile
-
Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
Latest entries
- December 24, 2025Personal RecommendationsI Tested the Best Ice Cream Makers Fried – Here’s What Happened
- December 24, 2025Personal RecommendationsI Tested the Anman Racing Simulator: My Ultimate Immersive Racing Experience
- December 24, 2025Personal RecommendationsI Tested Drbiocare Collagen: My Honest Review and Results
- December 24, 2025Personal RecommendationsI Tested Common Myths About Indian Paintbrushes—Here’s What I Discovered