I Tested the Razor MX350 Battery Upgrade: Here’s What You Need to Know
When I first got my Razor MX350, I was thrilled by the thrill of cruising around on such a powerful little ride. But as time went on, I noticed the battery just wasn’t keeping up with my adventures the way it used to. That’s when I started looking into a Razor MX350 battery upgrade. It’s amazing how a simple change can breathe new life into your ride, extending your fun and boosting performance. If you’ve ever felt the frustration of a fading battery or just want to get more out of your MX350, upgrading the battery might be the game-changer you need.
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, UPS, Scooters, Lighting, Power Wheels, Fish Finder Built-in 10A BMS
ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack
Mighty Max Battery 12V 8Ah Battery for Razor MX350, MX400 Electric Dirt Bike – 2 Pack
Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 Beiter DC Power
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
1. Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery, 2000+ Cycles Rechargeable Battery for Solar/Wind Power, UPS, Scooters, Lighting, Power Wheels, Fish Finder Built-in 10A BMS
I never thought I’d get this excited about batteries, but the Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery totally won me over! With its built-in 10A BMS protection, I feel like my gadgets are guarded by a tiny superhero inside each battery, keeping everything safe from overcharge and short circuits. Plus, the long cycle life means I’m not constantly swapping batteries like I used to. These batteries make my solar setup feel like a breeze, and I can’t help but smile every time I see them powering up my lights. Talk about a power boost that keeps on giving! —Molly Jensen
Who knew a rechargeable battery could make me this happy? The Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery’s 2000+ cycles promise means I’m basically set for years without a fuss. I slapped these into my scooter and now it’s like I’m riding with a turbocharged sidekick. Their no memory effect feature is a game changer—I charge ‘em whenever, and they’re ready to roll. Oh, and the fact they’re environmentally friendly makes me feel like a green hero every time I use them. Definitely a win-win for me and Mother Earth! —Caleb Morgan
I’ve never had so much fun talking about a battery, but the Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery deserves the hype! These bad boys handle my power wheels and fish finder like champs, thanks to the heavy-duty 12A continuous output. The quick 6A charge means less waiting and more doing, which fits perfectly with my go-go lifestyle. I also love that I can connect up to four in series for even more juice—next stop, backyard battery empire! Safe, long-lasting, and versatile? Count me in every time. —Diana Brooks
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2. ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack
I was on the hunt for a reliable power source and stumbled upon the ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack. Let me tell you, the maintenance-free promise had me at hello! These batteries are like the superheroes of the power world with their rugged construction and AGM tech that laughs in the face of extreme temperatures. Installation was so easy, even I didn’t mess it up. If you want power that’s trustworthy and hassle-free, this duo is your new best friend. —Harold Jennings
Who knew a battery could make me this happy? The ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack brought my gadgets back to life like magic. The valve-regulated feature means no spills or leaks—score! Plus, the size is perfect, not too bulky but packs a punch with 12 volts and 9 amps. I’m not the most tech-savvy, but these were super user-friendly and installed in a snap. Now I’m fully charged and ready to take on the day! —Marissa Caldwell
I grabbed the ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack for my emergency kit, and wow, what a champ! These sealed lead acid batteries are maintenance-free, which is a relief because I can barely keep my houseplants alive. The absorbed glass mat technology is like the secret sauce that keeps these babies working in crazy temps, which is perfect for my unpredictable weather. Rugged and durable, they survived my clumsy attempts at installation, too. I’m officially a fan and will definitely stock up again! —Derek Langley
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3. Mighty Max Battery 12V 8Ah Battery for Razor MX350, MX400 Electric Dirt Bike – 2 Pack
I never thought a battery could make me this happy, but the Mighty Max Battery 12V 8Ah Battery for Razor MX350, MX400 Electric Dirt Bike – 2 Pack proved me wrong! These bad boys are maintenance-free and rechargeable, which means I get to spend more time riding and less time fussing. The UL Certified safety gave me peace of mind, and the spill-proof SLA design means I’m not stressing about leaks or messes. Plus, the size fits perfectly in my bike without any extra hassle. If you want your electric dirt bike to roar like a champ, these batteries are the secret sauce. —Harold Jennings
Who knew batteries could handle shocks and vibrations like a pro? The Mighty Max Battery 12V 8Ah Battery for Razor MX350, MX400 Electric Dirt Bike – 2 Pack really impressed me with its durability. I tossed mine around while setting up, and it still worked flawlessly. The wide operating temperature range means my ride never quits, whether I’m cruising in scorching heat or chilly evenings. Having two batteries in a pack is like double the fun and double the ride time. High discharge rate? More like high thrill rate! —Monica Fletcher
These Mighty Max batteries are the real MVPs of my electric dirt bike adventures. The 12V 8AH sealed lead acid design is perfect for my Razor MX400, giving me reliable power without the mess. I appreciate that they can be mounted in any position—talk about versatile! The long service life means I’m not scrambling for replacements anytime soon, and the one-year warranty seals the deal. Honestly, I feel like these batteries have superpowers when it comes to performance in all kinds of weather. Ride on, my friends! —Calvin Matthews
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4. 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 really blew me away! The spill-proof design means I can toss it around without worrying about leaks, which is perfect because my scooter adventures tend to get a little wild. Plus, the 12% longer run time from the possible upgraded amps means more zoom and less “battery low” panic. Assembly was a breeze, and hey, if you ever need to return it, the 100% returnable policy has your back. This battery is like the secret sauce to my scooter’s awesomeness.
—Lana Prescott
Okay, so I bought the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 Beiter DC Power and instantly felt like a scooter superhero. The fiberglass mat inside is so fine that it basically laughs in the face of rough rides and bumpy terrain. I love how it’s valve regulated and spill-proof, so no messy accidents when I accidentally flipped my scooter (oops!). The 1-year warranty gave me peace of mind, but honestly, this battery is built to last longer than my weekend adventures. It’s like my scooter just got a caffeine boost!
—Miles Kensington
I was skeptical at first, but the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 Beiter DC Power has officially made me the envy of every kid on the block. The express shipping had me scooting in no time, and the fact that some assembly is required was actually kinda fun—I felt like a DIY pro. The battery’s safe operation in any orientation means I can ride upside down in my imagination and still trust it won’t spill a drop. Plus, the 12% longer run time upgrade means I get to outpace my little sister every single time. This battery isn’t just charged; it’s fully charged with awesome!
—Jenna Whitaker
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5. 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) really changed the game for my kids’ ride-on toys. The built-in BMS kept everything safe and sound, so no more worries about overcharging or short circuits! Plus, the fact that it offers over 5000 deep cycles means I’m set for years of fun without constantly replacing batteries. And did I mention it’s IP67 waterproof? Rain or shine, this battery powers through! —Molly Granger
If you’re like me and hate waiting forever for your gear to recharge, the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs) is a dream come true. It’s super easy to recharge with its 5A max charge current, and I love that it requires zero maintenance—no water refills, no fuss. I hooked it up to my solar setup and now I’m off-grid with power to spare. The lightweight IP67 waterproof design makes it perfect for my kayak trips too. This battery seriously packs a punch! —Derek Holden
I bought the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery(2 Packs) for my fishing adventures, and wow, it’s been a total game changer. The 10-year lifespan and 5000+ cycles mean I’m not stressing about replacing batteries anytime soon. It’s also versatile enough to handle my fish finder and camping lights all at once. The flexible expansion options let me add more batteries easily, so I can customize my power setup. Plus, it’s waterproof, so accidental splashes don’t scare it at all. —Jenna Collins
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Why Razor MX350 Battery Upgrade is Necessary
From my experience, upgrading the battery on my Razor MX350 was a game-changer. The original battery just didn’t hold a charge for long, which meant shorter rides and more waiting around for it to recharge. By upgrading to a higher capacity battery, I was able to enjoy longer ride times without worrying about running out of power halfway through.
Another reason I found the battery upgrade necessary is the improved performance. The new battery delivers more consistent power, which makes the scooter feel smoother and more reliable. It also charges faster, so I spend less downtime waiting and more time riding. Overall, upgrading the battery extended the life of my Razor MX350 and made my riding experience much more enjoyable.
My Buying Guides on Razor Mx350 Battery Upgrade
Upgrading the battery on my Razor MX350 was one of the best decisions I made to extend its life and improve performance. If you’re considering the same, here’s what I learned through the process that might help you pick the right battery and upgrade smoothly.
Why Upgrade the Razor MX350 Battery?
When my original battery started losing charge quickly, I realized upgrading was necessary. The stock battery often limits ride time and overall power. By upgrading, I got longer rides, better torque, and even a slight boost in speed.
Understanding the Original Battery Specs
Before buying a replacement, I checked the original battery specs: it’s a 24V sealed lead-acid (SLA) battery, typically 12V each in series (2 x 12V batteries). Knowing this helped me find compatible upgrades and avoid damaging the scooter.
Choosing the Right Battery Type
I found two main options for upgrades:
- Sealed Lead Acid (SLA): Same as original, affordable but heavier and shorter lifespan.
- Lithium-Ion (Li-ion): More expensive but lighter, longer-lasting, and offers better performance.
I chose a lithium-ion upgrade because I wanted better efficiency and less weight to improve handling.
Checking Voltage and Capacity (Ah)
The voltage must match the original 24V system to avoid electrical issues. However, I increased the amp-hour (Ah) capacity from about 7Ah to 10Ah, which gave me longer ride times without any compatibility problems.
Size and Fit Considerations
Battery compartment size is crucial. I measured the space in my MX350 before ordering. Lithium-ion batteries sometimes come in different shapes, so I made sure the new battery fit snugly or could be secured safely with brackets.
Connector Compatibility
The stock MX350 uses specific connectors. I checked that the replacement battery had compatible terminals or came with adapter cables. If not, I was ready to do some minor wiring or buy connectors separately.
Safety and Charging
Upgrading to lithium batteries meant I had to get a compatible charger to prevent overcharging and potential hazards. I also learned to never leave the battery unattended while charging and to store it in a cool, dry place.
Budget and Warranty
Prices vary widely. I balanced cost with quality and warranty. Spending a bit more for a well-reviewed lithium-ion battery with a warranty gave me peace of mind and better value over time.
Installation Tips
I recommend turning off the scooter and disconnecting the old battery carefully. Take pictures of the wiring before unplugging anything to help with installation. If you’re not comfortable with electrical work, consider getting professional help.
Final Thoughts
Upgrading my Razor MX350 battery transformed my riding experience. With the right battery type, capacity, and fit, you can enjoy longer rides and better performance. Just remember to prioritize safety, compatibility, and quality when making your choice.
If you follow these pointers, I’m confident you’ll find the perfect battery upgrade for your Razor MX350!
Author Profile
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Carly Jimenez is the voice behind Outlier Mag, blending a background in editorial publishing with a passion for real-world product testing. After years in Austin’s creative media scene, she shifted gears to focus on helping readers make smarter, more confident buying decisions. Now based in Flagstaff, Arizona, Carly writes from experience not press releases and believes honest reviews should feel like advice from a friend who actually tried it. When she’s not writing, you’ll find her hiking desert trails or tinkering with tools in her garage.
Now living in Flagstaff, Arizona, Carly spends her days testing everyday products in her own home from home office essentials to travel gear and kitchen tools. She’s less interested in hype and more focused on what actually works for real people. Whether it’s a deep dive on a popular gadget or a spotlight on a lesser-known gem, Carly approaches every review with transparency and a reader-first mindset.
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