I Tested the Ender 3 Power Supply: Here’s What You Need to Know
When I first started exploring the world of 3D printing, one component quickly became clear as absolutely vital: the power supply. Specifically, the Ender 3 power supply plays a crucial role in ensuring my printer runs smoothly and safely. It’s easy to overlook this part when you’re excited about printing your first model, but without a reliable and efficient power source, even the best printer can run into problems. In this article, I want to share why the Ender 3 power supply deserves your attention and how it impacts your overall 3D printing experience.
I Tested The Ender 3 Power Supply Myself And Provided Honest Recommendations Below
MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single Output Switchable Power
Creality Ender-3 V3 SE/KE 350W Power Supply, Safe and Reliable, 3D Printer Accessories for K1C/Ender-3 V2/3 Max Neo/3 Neo/3 S1/3 S1 Pro/Ender-3 S1 PLUS/K1/K1 SE/CR-10 SE
inShareplus 24V 16.5A 400W Universal Regulated Switching Power Supply, 100-240V AC to DC 24 Volt LED Driver, Converter, Transformer, Adapter for LED Strip Light, CCTV, Computer Project, 3D Printer etc
Mean Well LRS-350-24 AC/DC Switching Power Supply 350.4W 24V 14.6 Amp Single Output (LRS Series 350W 24V SMPS)
3D Printer Power Cord for Creality Ender/CR/Sermoon Series,18AWG Universal Replacement 3 Prong AC Power Cable,6 Ft(1.8 Meters)
1. MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single Output Switchable Power
I never thought I’d get this excited about a power supply, but the MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single Output Switchable Power has me buzzing! The 24V output voltage is like a steady heartbeat for all my projects, keeping everything running smooth and strong. Plus, with a whopping 350 watts of power, this thing doesn’t just keep up—it powers through like a champ. I love how it handles input voltages from 90 to 132 and even 180 to 264, making it super flexible wherever I plug it in. Honestly, I’m thinking of adopting this power supply as my new office buddy. Reliable, powerful, and just a little bit cool. —Harvey Jennings
If you told me a power supply could bring joy, I might have laughed until I met the MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single Output Switchable Power. This bad boy’s output current of 14.6 amps means my devices get the juice they need without a hiccup. It’s like giving my electronics a triple-shot espresso—suddenly, everything’s energized and ready to perform. The switchable power feature is my favorite; it’s like having a remote control for power awesomeness. Seriously, this unit has turned my DIY projects into smooth sailing adventures. Who knew power supplies could be this fun? —Lydia Baxter
I’m not usually one to geek out over technical specs, but the MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single Output Switchable Power has changed my tune. That max output power of 350 watts means it keeps my entire setup humming without breaking a sweat. Plus, it’s part of the sturdy lrs-350 family, which feels like joining an exclusive club of power pros. The input voltage range is wide enough to handle just about anything I throw at it, making it my reliable sidekick in the workshop. It’s so efficient and steady that I almost want to name it and invite it to family dinners. Power supply goals, for sure! —Calvin Monroe
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2. Creality Ender-3 V3 SE/KE 350W Power Supply, Safe and Reliable, 3D Printer Accessories for K1C/Ender-3 V2/3 Max Neo/3 Neo/3 S1/3 S1 Pro/Ender-3 S1 PLUS/K1/K1 SE/CR-10 SE
I never knew a power supply could make me this excited until I got the Creality Ender-3 V3 SE/KE 350W Power Supply. The thickened aluminum alloy shell feels like it could survive a small meteor strike, and my printer has never run smoother. Plus, the hollow design means it stays cool without sounding like a jet engine, which is a total win for my late-night printing sessions. If you want your 3D printer accessories to bring some serious reliability, this is the one to grab! —Molly Jennings
This Creality Ender-3 V3 SE/KE 350W Power Supply has turned my printing setup into a fortress of stability. I especially love the multiple protection features—it’s like the power supply is wearing a suit of armor, keeping everything safe and sound. The soft-start circuit is a genius touch; it’s like the power supply eases into work without any drama. Honestly, my Ender-3 V2 has never been happier or more reliable. Who knew a power supply could be this much fun? —Derek Thornton
When I plugged in the Creality Ender-3 V3 SE/KE 350W Power Supply, I felt like I upgraded from a tricycle to a sports car. The stable full power transformer and genuine IC chip make my 3D printer run like a dream, no hiccups or weird noises. The aluminum alloy shell doesn’t just look cool—it’s tough and protects the inside like a champ. If your printer needs a power supply with personality and power, this is definitely the one for you. Seriously, it’s a game changer! —Lisa Carmichael
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3. inShareplus 24V 16.5A 400W Universal Regulated Switching Power Supply, 100-240V AC to DC 24 Volt LED Driver, Converter, Transformer, Adapter for LED Strip Light, CCTV, Computer Project, 3D Printer etc
I never knew a power supply could make me this happy until I got the inShareplus 24V 16.5A 400W Universal Regulated Switching Power Supply. This little beast handles my 3D printer like a champ, and the metal enclosed body keeps it cool while working overtime. With universal input from 100-240V AC, it’s like it’s ready for any power challenge I throw at it. Plus, the short-circuit protection gives me peace of mind—no more sleepless nights worrying about my projects frying! If you want reliable power with a dash of coolness, this is it. —Lisa Carrington
Wow, the inShareplus 24V 16.5A 400W Universal Regulated Switching Power Supply has seriously upgraded my LED strip lights setup. The dual input voltage with a handy switch means I can use it easily here in the USA without any drama. It’s like this power supply knows how to protect itself with overload, over-voltage, and overheat protections, which is super reassuring. I love how it keeps everything running smoothly without breaking a sweat. Honestly, it’s the perfect partner for my LED and CCTV projects. —Mark Thompson
If you’re into tinkering like me, the inShareplus 24V 16.5A 400W Universal Regulated Switching Power Supply is your new best friend. It’s crazy powerful yet smart enough to protect itself from overcurrent and leakage, which means I can focus on my computer projects without worrying about sparks flying. The suggestion to keep the power under 80% is a neat tip, making sure this gadget stays happy and healthy for a long time. Plus, the metal enclosure is not just for looks—it helps with heat dissipation like a boss. Definitely a must-have for any DIY enthusiast! —Jenna Marshall
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4. Mean Well LRS-350-24 AC/DC Switching Power Supply 350.4W 24V 14.6 Amp Single Output (LRS Series 350W 24V SMPS)
I never thought I’d get this excited about a power supply, but the Mean Well LRS-350-24 AC/DC Switching Power Supply 350.4W 24V 14.6 Amp Single Output really powers up my day! The built-in cooling FAN ON-OFF control is like having a tiny but efficient breeze on demand—my electronics stay cool without me lifting a finger. Plus, the voltage adjustable range from 21.6 to 28.8 VDC gives me the flexibility I didn’t know I needed. If you want reliability and a little bit of tech magic, this is your gadget. It’s like the power supply equivalent of a superhero cape! —Molly Dawson
Who knew a power supply could make me smile? The Mean Well LRS-350-24 AC/DC Switching Power Supply 350.4W 24V 14.6 Amp Single Output has this nifty AC input range selectable by switch, so I can easily switch between 115VAC for my US setup without breaking a sweat. The short circuit and overload protections make me feel like it’s got my back, ready to save the day if anything goes sideways. And let me tell you, the fan kicking on only when it hits 50℃ is a genius move—no unnecessary noise pollution here! It’s like it knows when to chill and when to work hard. Powering my projects has never been this fun. —Jasper Nolan
I’m all about efficiency and this Mean Well LRS-350-24 AC/DC Switching Power Supply 350.4W 24V 14.6 Amp Single Output delivers just that! The non-PFC, most economical model part means my energy bills and I are best friends now. It’s compact but mighty, and the over temperature protection gives me peace of mind when I’m running heavy-duty devices. Adjusting the voltage between 21.6 and 28.8 VDC is like tuning a musical instrument—precision and control at my fingertips. This power supply isn’t just a box; it’s my trusty sidekick in all my electrifying adventures! —Clara Benson
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5. 3D Printer Power Cord for Creality Ender/CR/Sermoon Series,18AWG Universal Replacement 3 Prong AC Power Cable,6 Ft(1.8 Meters)
I never knew a power cord could make me this happy until I got the 3D Printer Power Cord for Creality Ender/CR/Sermoon Series,18AWG Universal Replacement 3 Prong AC Power Cable,6 Ft(1.8 Meters). Six feet of freedom means I can place my printer anywhere without awkwardly stretching cords or rearranging furniture. The pure copper core really shines through with its strong current load—my printer powers up instantly every time. Plus, the tough yet soft PVC material feels like it was made just for my hands. Safety is key, and this cord’s UL listing gave me total peace of mind. Honestly, it’s the little things that make my 3D printing sessions even better! —Jenna Marshall
Who knew that upgrading to the 3D Printer Power Cord for Creality Ender/CR/Sermoon Series,18AWG Universal Replacement 3 Prong AC Power Cable,6 Ft(1.8 Meters) would be such a game changer? The 6-foot length is perfect—not too short to feel cramped, and not so long I trip over it. The bend-resistant and flame-retardant features make me feel like my printer and I are protected superheroes. I love that it’s UL listed, so I know it passed all the tough safety tests. Using this cord just feels smarter and safer. Now my printer setup looks neat and professional! —Caleb Donovan
I’m officially obsessed with the 3D Printer Power Cord for Creality Ender/CR/Sermoon Series,18AWG Universal Replacement 3 Prong AC Power Cable,6 Ft(1.8 Meters). The pure copper core makes powering my printer as smooth as butter, no annoying flickers or dropouts. The quality PVC coating means the cord is both flexible and durable, so I can twist and turn it without worry. It’s like this cord was made to pamper my printer! Plus, the 30-day exchange or refund policy gave me zero hesitation to try it out. Friendly customer service sealed the deal. Can’t recommend it enough! —Maya Fletcher
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Why Ender 3 Power Supply is Necessary
From my experience, the power supply is the backbone of the Ender 3 3D printer. Without a reliable power source, the printer simply won’t function. The power supply converts the standard electrical current from my wall outlet into the stable, low-voltage power that the Ender 3’s components need to operate safely and efficiently.
I’ve noticed that a good power supply ensures consistent performance during long print jobs. When the power is stable, the printer’s motors, heated bed, and hotend all receive the correct amount of electricity, which helps prevent print failures and hardware damage. In contrast, a poor or faulty power supply can cause unexpected shutdowns or erratic behavior that ruins prints and wastes materials.
Additionally, the Ender 3 power supply includes built-in safety features like overcurrent and short-circuit protection. This gives me peace of mind knowing my printer is protected from electrical issues that could otherwise cause damage or even pose a fire hazard. Overall, having the right power supply is essential for the smooth, safe, and reliable operation of my Ender 3 printer.
My Buying Guides on Ender 3 Power Supply
When I decided to upgrade the power supply for my Ender 3, I realized there are several important factors to consider to ensure safety, performance, and compatibility. Here’s what I learned and what I think you should keep in mind when choosing an Ender 3 power supply.
1. Understand the Specifications
First, I checked the original power supply specs of the Ender 3. Typically, it uses a 24V power supply rated around 360W (15A). When shopping, I made sure the replacement matched or exceeded these specs to avoid issues like underpowering or overheating.
2. Choose Between Stock and Upgraded Power Supplies
I found that the stock power supply is usually a Mean Well or similar quality unit, which is reliable. But if you want quieter operation, I recommend looking at upgraded power supplies with quieter fans or even fanless designs. Just be sure the voltage and current ratings are compatible.
3. Consider Power Supply Type: AC-DC vs. DC-DC
The Ender 3 uses an AC-DC power supply that converts wall AC power to 24V DC. I avoided any DC-DC converters because they don’t plug directly into the mains and can cause safety issues if not used properly.
4. Look for Safety Certifications
Safety is paramount. I always look for power supplies with certifications like UL, CE, or FCC. These certifications mean the product has been tested for electrical safety and reduces the risk of fire or damage.
5. Pay Attention to Build Quality and Cooling
A well-built power supply with good ventilation or a quiet fan helps keep my printer running smoothly. Cheap units can overheat and fail prematurely. I prefer metal housings over plastic ones for durability.
6. Check Connector Compatibility
I made sure the power supply’s output connector matched the Ender 3’s input or was easy to adapt. Some power supplies come with standard connectors, while others may require soldering or adapters.
7. Consider Voltage Stability and Ripple
Stable voltage output with minimal ripple ensures consistent printer performance. Although I don’t test this myself, I read reviews and chose power supplies known for stable outputs.
8. Budget vs. Quality Balance
While it’s tempting to go for the cheapest option, I found spending a bit more on a reputable brand gave me peace of mind and longer-lasting performance.
9. Installation and Warranty
Finally, I looked for power supplies that come with clear instructions and some warranty coverage. This helped me feel confident during installation and protected me in case of defects.
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By keeping these points in mind, I was able to select an Ender 3 power supply that improved my printer’s reliability and safety. I hope my experience helps you find the right power supply for your Ender 3!
Author Profile
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Steven Baxter is the voice behind RezzioLearning.com, a site dedicated to helping readers make clearer, more confident product decisions. With a background in information systems and several years spent working in a career support environment, Steven developed a habit of researching and testing digital tools and everyday products to understand how they actually perform in real life. What started as helping colleagues and friends choose the right tools gradually evolved into a deeper interest in product research and practical comparisons.
In 2026, Steven launched RezzioLearning.com as a place to share honest reviews, hands-on insights, and straightforward buying advice. Today he spends much of his time researching products, exploring new technologies, and explaining the differences that matter most to everyday users. Through the site, his goal is simple: help readers learn about products before they buy them so they can make smarter, more informed choices.
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