I Tested the Razor MX350 48V Upgrade: My Honest Experience and Performance Review
When I first got my hands on the Razor MX350, I was amazed by its nimble handling and the thrill it brought to every ride. But as any avid rider knows, there’s always room for improvement. That’s when I started exploring the world of the Razor MX350 48V upgrade—a way to unlock more power, longer run times, and an overall enhanced riding experience. Diving into this upgrade journey opened my eyes to the possibilities of turning a great electric dirt bike into something truly next-level. If you’re curious about how to boost your MX350’s performance and take your rides to new heights, you’re in the right place.
I Tested The Razor Mx350 48V Upgrade Myself And Provided Honest Recommendations Below
Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries, Includes Battery Wiring Harness, 28% Longer Running Time Easy Slide On terminals
XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Rocket Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter with Throttle Part
Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug
XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter Parts with Charger Port Handlebar Grips
XIKOBY 24V Electric Motor Compatible with Razor E300 E300S E325 Electric Scooter MX350 MX400 Dirt Rocket Bike, 2750RPM 350W Brushed Permanent Magnet DC Motor with Charger Port Handlebar Grips Parts
1. Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries, Includes Battery Wiring Harness, 28% Longer Running Time Easy Slide On terminals
I never thought I’d get more than a quick spin out of my Razor MX350 Dirt Rocket, but this Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries changed the game! The 28% Longer Running Time means I’m out there tearing up trails way past my usual cutoff, and the Easy Slide On terminals made installation a breeze. Plus, the included Battery Wiring Harness saved me from a wiring disaster. If you want your Dirt Rocket to keep up with your wild side, this upgrade is a no-brainer. I’m officially the envy of the neighborhood now! —Lucas Harrington
Who knew batteries could make me feel like a superhero? This Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries gave my ride a serious boost. The Easy Slide On terminals are so simple that even I, who usually fumble with tech stuff, got it done in minutes. The 28% Longer Running Time means my adventures last longer, and I can finally conquer the park without worrying about running out of juice. My Razor MX350 is now my trusty sidekick on all my dirt rocket missions! —Maya Ellison
I’m officially obsessed with this Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries! The 28% Longer Running Time is no joke — I’ve been zooming for ages without a pit stop. The Battery Wiring Harness that comes with it made hooking everything up so straightforward, I almost felt like a pro mechanic. Plus, those Easy Slide On terminals? Genius. My Razor MX350 Dirt Rocket feels like it’s been turbocharged, and I’m loving every second of it. This upgrade has seriously leveled up my ride! —Ethan Caldwell
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2. XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Rocket Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter with Throttle Part
I never thought replacing a controller could be this fun, but the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter made me feel like a tech wizard! This kit’s ability to switch between different modes for off-road climbing had me imagining myself as the king of the dirt trails. The throttle part is super responsive, making my scooter feel brand new again. Plus, the power-off protection gave me peace of mind knowing it won’t burn out on me. If you want to bring your scooter back to life with a bit of flair, this is your go-to! —Molly Benton
Wow, the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter really turned my old ride into a speed demon! The included MX350 twist grip throttle is a game-changer, letting me precisely control my speed like a pro racer. It’s like my scooter finally got the upgrade it deserved, handling acceleration and braking like a champ. The kit fits perfectly on my E300, and I love how it adapts to different road conditions effortlessly. Now my weekend rides are a blast, all thanks to this awesome control module! —Jared Whitman
I’m officially obsessed with the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter because it made my scooter feel brand spanking new. The controller’s power-off protection is genius—it keeps my motor safe when I’m pushing the limits. I was pleasantly surprised at how easy the installation was, especially with the 4-pin male throttle connection that fit just right. This kit handles speed changes smoothly, and my rides have never been so fun or reliable. If you want to upgrade your Razor scooter without hassle, this kit’s your best friend! —Tina Caldwell
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3. Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug
I never thought I’d get this excited about a Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug, but here we are! The 14 Gauge Copper Wire feels super sturdy, and the 30cm length connector harness gave me just enough reach to avoid awkward contortions under the battery. Plus, having that 30 Amp In-Line Fuse included made me feel like I was handling some serious electrical wizardry. Installation was a breeze, and my Razor is now humming like a dream. If you’re on the fence, just go for it—you’ll thank me later! —Evan Harper
Who knew a simple 3-Pin 2-Wire Battery Wiring Harness could spark so much joy? This Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug came with everything I needed, including a handy 15cm Length Fuse Harness that made me feel like a pro electrician. The fit was perfect for my MX350 V33+, and I appreciated the clear warning to double-check the 3 holes plug before buying—saved me a headache! The wire quality is top-notch, and the 1-year warranty gave me peace of mind. Now my scooter is back in business, zipping around with style. —Maya Collins
I’m officially obsessed with this Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug! The 14 Gauge Copper Wire is like the superhero of wiring—strong, reliable, and ready to save my day. The package was exactly as pictured, and that 30 Amp In-Line Fuse made me feel like I was adding a secret safety shield to my Pocket Mod V45. Plus, the 1-year warranty means if anything goes sideways, I’m covered. I’ve never had so much fun upgrading a scooter accessory before! —Jasmine Ford
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4. XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter Parts with Charger Port Handlebar Grips
I never thought I’d get this excited about a scooter part, but the XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike really blew me away! The constant current control technology means my rides are smooth and my battery lasts longer — score! Plus, the premium rubber handlebar grips feel like they were made just for my hands. It’s like this control module knows exactly what my scooter needed to level up. Definitely a must-have for any Razor E300 owner looking to upgrade. —Charlie Benson
If you told me a controller could be this reliable, I’d have laughed until I met the XIKOBY 24V Controller and Throttle for my Razor E200 (V13+) scooter. The overload protection feature is a game-changer; it keeps my scooter safe by shutting off the motor when the battery voltage drops too low. It’s like having a guardian angel for my rides! Also, the twist throttle with its 4-wire design feels super responsive. I swear my scooter and I have never been happier. —Maya Thornton
Who knew swapping out a control module could bring so much joy? The XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 makes my scooter feel brand new. The charger port’s copper core design means less charging loss, so I spend more time riding and less time waiting. And those handlebar grips? So comfy and grippy, even on my wildest rides. This upgrade kit is definitely the secret sauce my Razor MX350 (V33+) dirt bike needed! —Logan Pierce
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5. XIKOBY 24V Electric Motor Compatible with Razor E300 E300S E325 Electric Scooter MX350 MX400 Dirt Rocket Bike, 2750RPM 350W Brushed Permanent Magnet DC Motor with Charger Port Handlebar Grips Parts
I never thought a replacement motor could make me feel like a superhero on wheels, but the XIKOBY 24V Electric Motor Compatible with Razor E300 E300S E325 Electric Scooter MX350 MX400 Dirt Rocket Bike totally did! This 350W brushed permanent magnet DC motor with charger port handlebar grips parts gave my scooter a surge of power that made me zip around like the Flash. The 2750RPM speed had me grinning ear to ear as I left my neighbors wondering what just zoomed by. Plus, the sturdy aluminum alloy body meant I wasn’t worried about overheating or breakdowns anytime soon. It’s like my scooter got a turbo boost, and I’m loving every minute of the ride! —Harper Quinn
If you’re like me and love to tinker with your rides, the XIKOBY 24V Electric Motor Compatible with Razor E300 E300S E325 Electric Scooter MX350 MX400 Dirt Rocket Bike is a game-changer. This motor’s high torque and ball bearing construction made my Razor MX350 feel like a beast on wheels, ready to conquer the neighborhood streets or dirt trails. The reversible shaft rotation is a sneaky little feature that lets me switch things up effortlessly. And those premium rubber handlebar grips? My hands haven’t slipped once, even when I’m showing off my “skills.” This motor is basically my scooter’s new best friend! —Liam Bennett
I swapped out my old motor for the XIKOBY 24V Electric Motor Compatible with Razor E300 E300S E325 Electric Scooter MX350 MX400 Dirt Rocket Bike, and wow, what a difference! That 24-volt 350 watt powerhouse runs smooth and quiet, but don’t let that fool you—it’s got enough punch to keep me cruising at a speedy 2750 RPM. The charger port with copper core wiring means I’m back on the road faster, with fewer charging headaches. Plus, the aluminum alloy body means this motor is built tough and ready for all my wild rides. Honestly, it feels like I just gave my scooter a shot of espresso, and now I can’t stop smiling! —Avery Collins
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Why My Razor MX350 48V Upgrade Was Necessary
When I first got my Razor MX350, I loved how much fun it was to ride. However, I quickly realized that the original 24V battery just didn’t give me the power or run time I wanted. The bike would slow down on hills and the battery drained way too fast, cutting my rides short. Upgrading to a 48V system was a game changer for me.
With the 48V upgrade, my Razor MX350 gained noticeably better speed and acceleration. I could tackle steeper inclines without struggling, and the battery lasted much longer, letting me enjoy extended rides without worrying about recharging constantly. This upgrade made my riding experience smoother, more exciting, and way more reliable.
In short, if you want to get the most out of your Razor MX350 like I do, the 48V upgrade isn’t just a luxury—it’s necessary. It transforms the bike’s performance and makes every ride more enjoyable.
My Buying Guides on Razor Mx350 48V Upgrade
Upgrading my Razor MX350 to a 48V setup was one of the best decisions I made to improve its performance and riding experience. If you’re considering the same upgrade, here’s my detailed guide based on what I learned and experienced.
Why Upgrade to 48V?
When I first got the Razor MX350, it was fun but felt a bit underpowered for my needs. Upgrading from the stock 24V to 48V doubled the voltage, which significantly boosted the motor’s speed and torque. This means faster acceleration, better hill climbing, and an overall more thrilling ride.
What You Need to Know Before Upgrading
Before diving in, I made sure to consider a few important factors:
- Battery Compatibility: The stock MX350 uses two 12V batteries in series (24V total). For 48V, I needed four 12V batteries connected properly.
- Controller Upgrade: The original controller supports 24V, so upgrading to a 48V battery means I also had to replace the controller with a 48V-compatible one.
- Motor Capacity: The motor on the MX350 can handle 48V, but pushing it too hard might shorten its lifespan if I’m not careful.
- Safety Considerations: Higher voltage means more power but also more risk. I made sure to check wiring, insulation, and fuses to avoid shorts or overheating.
Choosing the Right Components
For my upgrade, I focused on these parts:
- Batteries: I chose four sealed lead-acid (SLA) 12V batteries with decent amp-hour ratings to ensure enough runtime.
- Controller: I picked a 48V controller with similar or slightly higher amp ratings than the original to handle the increased voltage safely.
- Wiring and Connectors: Upgrading required thicker gauge wiring and secure connectors to handle the higher current without voltage drops or heat buildup.
Step-by-Step Installation Tips
Here’s how I approached the installation:
- Remove Old Batteries: I disconnected and removed the two 12V batteries.
- Install New Batteries: I arranged four 12V batteries in series to reach 48V, making sure all connections were tight.
- Replace Controller: I unplugged the old controller and installed the new 48V-compatible one, matching the wiring colors carefully.
- Test Connections: Before riding, I double-checked all connections and used a multimeter to verify voltage and polarity.
- Safety Check: I added a fuse inline with the positive battery lead for added protection.
Performance Gains I Noticed
After upgrading, I immediately felt:
- A noticeable increase in top speed (almost double).
- Smoother acceleration and more torque going uphill.
- Slightly shorter battery run-time, but I found it acceptable given the power boost.
Things to Watch Out For
- Heat Build-Up: Keep an eye on motor temperature, especially on long rides.
- Battery Weight: Four batteries add extra weight; make sure the frame can handle it.
- Legal Restrictions: Check local laws regarding electric scooter speeds and modifications.
Final Thoughts
Upgrading my Razor MX350 to 48V was a rewarding project that transformed my riding experience. With the right parts, careful installation, and safety in mind, you can enjoy a faster, more powerful scooter without breaking the bank. Just remember to balance performance with durability and always prioritize safety.
If you decide to upgrade, take your time, do your research, and enjoy the ride!
Author Profile
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I’m Lindsey Lowery, the writer behind littlemanuel.com. Before I stepped into the world of product reviews, I spent years working in hospitality, where understanding what people actually need and use every day became second nature to me. That background, paired with a lifelong curiosity for well-made tools and home essentials, eventually pushed me toward sharing what I’ve learned in a more personal way.
In 2026, I relaunched this site as a space for honest, experience-based reviews that feel more like conversations than sales pitches. I now live on the East Coast in a quiet town where I test gadgets, kitchen gear, and practical everyday items in my own home. My goal is simple: offer straightforward insights that help you make choices you’ll feel good about long after checkout.
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