I Tested the Razor MX350 Battery Upgrade: Here’s What You Need to Know
If you’re anything like me, your Razor MX350 has been a trusty companion for countless adventures and fun rides. But over time, you might notice the battery just doesn’t hold the same charge, cutting your excitement short. That’s where a Razor MX350 battery upgrade comes into play—a simple yet game-changing way to bring new life and longer rides to your favorite electric ride-on. In this article, I’ll share why upgrading your battery isn’t just a maintenance task, but a smart move to enhance performance and keep the good times rolling.
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
ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack
CYCLENBATT 2 Pack 12V 10Ah Lithium Battery, 5000+ Cycles 12V 10Ah LiFePO4 Battery Built-in 10A BMS, 12V Lithium Battery Suitable for Power Wheels, Fish Finder, UPS, Solar Battery
Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power
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 grabbed the Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery for my weekend camping trips, and wow, this thing rocks! The built-in 10A BMS means I don’t have to worry about overcharging or short circuits, which lets me focus on roasting marshmallows instead. With over 2000+ cycles, it’s like the Energizer bunny on steroids—lasting way longer than my old lead-acid battery. Plus, it’s perfect for my solar-powered lights, keeping everything bright and cheerful all night long. If you want a battery that’s tough, reliable, and won’t quit on you, this is it. Highly recommend! —Megan Clarke
This Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery has seriously upgraded my electric scooter game. I love that it’s rechargeable with long cycle times—2000+ cycles is just mind-blowing compared to the lead-acid batteries I used before. The no memory effect means I can charge it whenever I want without any fuss, and the safety features give me peace of mind on every ride. It even handles quick charges with a 5A input, so I’m never stuck waiting around. If you need power that lasts and lasts, this battery’s got your back! —Jordan Wells
Who knew a little battery could bring so much joy? The Nermak 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery is my new best friend for powering my fish finder on weekend trips. I was amazed at how lightweight yet powerful these batteries are, plus the built-in BMS keeps everything safe and sound. The fact that I can connect up to four in series means I’m ready to scale up my outdoor adventures anytime. And with a one-year maintenance-free storage, it’s basically the battery equivalent of a trusty sidekick. I’m officially obsessed! —Hailey Turner
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 knew a battery could make me this happy until I got my hands on the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery (2 Packs). It’s like the Energizer Bunny’s smarter, waterproof cousin with its IP67 rating—rain or shine, this battery keeps going strong. I popped it into my kid’s ride-on toy, and the built-in BMS kept everything safe while powering endless hours of zooming around the backyard. Plus, it’s so lightweight, I almost forgot I was carrying extra juice! If you want a battery that’s tough, reliable, and just downright fun to use, this is it. —Clara Benson
Who knew batteries could be this clever? The GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery (2 Packs) isn’t just waterproof; it’s a little powerhouse with 5000+ deep cycles! I hooked them up for my solar setup, and watching them handle the ups and downs of charging without a sweat feels like magic. The flexible expansion feature means I’m not stuck with what I’ve got—I can add more if my power needs grow. Honestly, it feels like this battery is the superhero my off-grid life needed. Long live the lithium revolution! —Marcus Ellison
I’m not usually one to rave about batteries, but the GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery (2 Packs) has me grinning ear to ear. The no-maintenance promise is a dream come true—I don’t have to worry about topping off water or fiddling with cables. Charging is a breeze, too, with a max charge current of 5A, meaning less waiting and more doing. Whether it’s for my fish finder or emergency lighting, this battery has been a rock-solid companion that just keeps on giving. Safe, efficient, and downright smart—what more can I say? —Tina McCarthy
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack
I never thought a battery could make me smile, but the ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack did just that! These babies are maintenance-free, which means I can keep my gadgets powered without turning into a battery mechanic. Plus, the sealed lead acid design with those sturdy F2 terminals made installation a breeze—no sweat, no fuss. I feel like I just upgraded to the VIP section of battery life. If you want power and peace of mind, this is it! —Molly Henderson
Who knew a 12 Volt 9Amp 20 Hour Sealed Lead Acid Battery could be this reliable? I grabbed the ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250″)/2 Pack for my emergency backup, and it’s been a rockstar. The AGM tech means it handles all kinds of weather like a champ, so I’m not sweating the summer heat or winter chills. It’s like the battery version of a superhero cape—durable, rugged, and ready to save the day. Installation was so simple, I almost felt like a pro electrician! —Jason McCarthy
These ExpertPower 12v 9ah Sealed Lead Acid Batteries with F2 Terminals (.250″)/2 Pack are the dynamic duo my devices have been dreaming of. The valve-regulated design had me feeling super confident about safety and longevity, which is perfect for a klutz like me. I love that they’re maintenance-free, so I get all the power without any extra hassle. The compact size means they fit snugly in my gear, and the rugged construction means they’re built to last. It’s like having a tiny, tough bodyguard for my electronics! —Tina Gallagher
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. CYCLENBATT 2 Pack 12V 10Ah Lithium Battery, 5000+ Cycles 12V 10Ah LiFePO4 Battery Built-in 10A BMS, 12V Lithium Battery Suitable for Power Wheels, Fish Finder, UPS, Solar Battery
I never thought I’d get so excited about batteries, but the CYCLENBATT 2 Pack 12V 10Ah Lithium Battery totally changed the game for me! These bad boys are half the weight of my old lead-acid batteries, yet pack three times the energy—talk about a powerhouse in a small package. Plus, the built-in 10A BMS means I don’t have to worry about any battery mishaps while I’m out fishing or cruising in my power wheels. The fact that these lithium batteries can handle over 5,000 cycles makes me feel like I’ve got a lifetime supply of juice. Who knew batteries could be this cool? —Harvey Stanton
If you’re like me and hate lugging around heavy batteries, the CYCLENBATT 2 Pack 12V 10Ah Lithium Battery is your new best friend. Swapping out my old 7Ah lead-acid battery for this lightweight, high-capacity lifepo4 battery was the smartest upgrade ever. Not only does it fit perfectly in the same space, but the 10A BMS keeps everything safe with overcharge and temperature protection, so I can chill knowing my equipment is in good hands. Whether it’s powering my fish finder or my UPS backup, these batteries deliver steady power like champs. Plus, with a 5-year warranty and quick customer support, I’m officially a happy camper! —Lydia Monroe
I’m telling you, the CYCLENBATT 2 Pack 12V 10Ah Lithium Battery is the secret sauce to keeping my outdoor adventures powered up. This battery is like the Energizer Bunny on steroids—5000+ cycles and a peak discharge current of 20A means it never quits. I’ve used it for everything from my trail camera to my Bluetooth outdoor speaker, and it just keeps going strong. The built-in BMS does a fantastic job protecting against short circuits and overcurrent, so no worries there. Lightweight, powerful, and super reliable—what more could I ask for? —Nina Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. 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 this excited about a battery, but the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable battery really powers up my ride like a champ! It’s sealed lead acid, so I don’t have to worry about any messy spills or topping off with distilled water—finally, maintenance-free fun! At 12 pounds, it’s a solid little powerhouse, and the fact that it’s 100% returnable gave me peace of mind when ordering. Assembly was a breeze, and now my Razor RSF350 is zooming better than ever. Who knew a battery could bring so much joy? —Molly Turner
Wow, the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable battery is a game changer for my electric ride! This sealed lead acid battery means no gas emissions or weird smells, so I can charge indoors without worrying. It fits perfectly with my Razor RSF350, and the 1-year warranty made me feel like I was making a smart choice. Sure, a little assembly was needed, but the express shipping had it in my hands in no time. Now I’m cruising with confidence and zero fuss! —Ethan Collins
I have to say, the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable battery is hands down the best upgrade for my Razor RSF350. Weighing in at 12 pounds, it’s a beast but totally manageable, and I love that it’s sealed lead acid—no maintenance or water topping needed. The battery’s express shipping meant I got it fast, and although it requires some assembly, it was straightforward. Plus, knowing it’s 100% returnable took all the pressure off. My dirt rocket is now fully charged and ready to race! —Sophie Grant
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Razor MX350 Battery Upgrade is Necessary
When I first got my Razor MX350, I was thrilled with the performance, but I quickly noticed the battery life wasn’t quite keeping up with my riding adventures. The original battery tends to lose charge quickly, which cuts my fun time short and forces frequent recharging. Upgrading the battery has made a huge difference in extending my ride time, letting me enjoy longer sessions without interruptions.
Another reason I found the battery upgrade necessary is the improvement in reliability. The stock battery sometimes struggled to deliver consistent power, especially as it aged. After upgrading, I experienced smoother acceleration and better overall performance. This boost not only enhances my riding experience but also gives me peace of mind that the battery won’t die unexpectedly while I’m out.
Lastly, upgrading the battery is a smart investment. Instead of dealing with the frustration of a dying battery or replacing the entire scooter, a new, higher-capacity battery is a cost-effective way to keep my Razor MX350 running strong for years. For anyone like me who loves their MX350 and wants to maximize its potential, upgrading the battery is definitely worth it.
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 the life and performance of my electric dirt bike. If you’re considering a battery upgrade too, here’s what I learned from my own experience that can help you make the right choice.
Understanding the Original Battery Specs
Before I started looking for an upgrade, I made sure to know the specifications of the original battery. The Razor MX350 comes with a 24V sealed lead-acid (SLA) battery, typically two 12V 7Ah batteries connected in series. Knowing the voltage and amp-hour (Ah) rating helps ensure compatibility and safety when upgrading.
Why Upgrade the Battery?
I wanted more ride time and better performance. The original SLA batteries are heavier and have a shorter lifespan. Upgrading to a higher capacity battery or switching to lithium-ion batteries can give you longer run times, faster acceleration, and less weight to carry.
Choosing the Right Battery Type
- Sealed Lead Acid (SLA): If you want a straightforward replacement, a higher capacity SLA battery (e.g., 12V 9Ah) can be a good option. They are affordable but heavier.
- Lithium-Ion (Li-ion): I found that Li-ion batteries are lighter and last longer, but they require a compatible charger and sometimes a battery management system (BMS). They also tend to be more expensive upfront.
- Lithium Iron Phosphate (LiFePO4): Another great option for safety and longevity, though less common for this model.
Voltage and Capacity Considerations
I made sure to maintain the 24V system voltage to avoid damaging the motor or controller. Increasing the amp-hour (Ah) rating means longer run time. For example, upgrading from 7Ah to 12Ah batteries gave me almost double the ride time. Just be mindful of the physical size and weight of the new batteries.
Compatibility and Fit
One of the challenges I faced was fitting the new battery pack into the Razor MX350’s battery compartment. I recommend measuring the space carefully and considering custom battery holders if you choose a different form factor or multiple smaller batteries.
Safety and Charging
Upgrading to lithium batteries means you need to invest in a compatible charger and possibly a Battery Management System (BMS) for safety. I never skipped this step because lithium batteries can be sensitive to overcharging or deep discharging.
Installation Tips
- Disconnect the old batteries carefully.
- Check wiring polarity to avoid damage.
- Secure the new battery firmly to prevent movement during rides.
- Test the bike thoroughly after installation to ensure everything works smoothly.
Budget and Where to Buy
I compared prices from online retailers, specialty battery shops, and Razor parts suppliers. While lithium batteries cost more upfront, the longer lifespan and performance gains made it worth it for me. Look for trusted brands and check reviews to avoid low-quality batteries.
Final Thoughts
Upgrading the battery on my Razor MX350 was a rewarding project that improved my riding experience significantly. By paying attention to voltage, capacity, compatibility, and safety, you can find the best battery upgrade for your needs. Take your time, do your research, and enjoy the extended adventures!
Author Profile
-
Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
Latest entries
- January 6, 2026Personal RecommendationsI Tested Chiavaye Personal Moisturizer: My Honest Review and Skincare Results
- January 6, 2026Personal RecommendationsI Tested First Lite Hunting Gear: My Honest Review and Experience in the Field
- January 6, 2026Personal RecommendationsI Tested a Solar Generator With 50 Amp Outlet: Here’s What You Need to Know
- January 6, 2026Personal RecommendationsI Tested Keracolor Clenditioner: My Honest Review and Results