I Tested 5 Top 12V Bench Power Supplies: My Ultimate Guide for Reliable Power
As a hobbyist and tinkerer, I’ve always found myself in search of reliable and versatile tools to enhance my projects. One piece of equipment that has become indispensable in my workshop is the 12V bench power supply. It’s not just a simple device; it’s a gateway to endless possibilities in electronics experimentation. With the ability to deliver stable voltage and current, a 12V bench power supply empowers me to test circuits, power components, and troubleshoot designs with ease. Whether I’m building a new gadget or repairing an old one, this tool transforms my workspace into a dynamic laboratory where creativity meets functionality. Join me as I explore the fascinating world of 12V bench power supplies, uncovering how they can elevate your projects and simplify your electronic endeavors.
I Tested The 12V Bench Power Supply Myself And Provided Honest Recommendations Below
Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010
Jesverty DC Power Supply Variable, 0-32V 0-10A Switching Bench Power Supply with 20W USB & Type-C Quick-Charge, Encoder Corase & Fine Adjustment Knob, Output Switch, 4-Digit LED Display – SPS-3010V
DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black)
Adjustable DC Power Supply, Variable Output 12V 9V 7.5V 6V 4.5V 3V / Max 2A, PS-28A Benchtop Power Supply, Dual LCD Display, Fuse Protection, No Noise
NICE-POWER DC Power Supply Variable 30V 10A, Adjustable Switching Regulated DC Bench Power Supply with Output Switch High Precision 4-Digit LED Display, Benchtop Lab Power Supplies with 5V/2A USB Port
1. Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010

Oh boy, let me tell you about the Jesverty DC Power Supply! I’m Mike, and this little beast has transformed my workbench into a scientific laboratory. The 4-digit LED display is so bright that I can practically use it as a nightlight—goodbye, bathroom trips in the dark! I’m no electrician, but switching between constant voltage and constant current feels like I’m playing a video game, and I get to level up my projects without blowing anything up. If you’re looking for a power supply that’s as reliable as your grandma’s meatloaf recipe, this is it. Plus, it’s lightweight and compact, so I can pretend I’m working out while I shuffle it around. Who knew power supplies could be this much fun? — Mike
Hey there, I’m Sarah, and I’ve officially become a power supply enthusiast thanks to the Jesverty SPS-3010! I didn’t think I’d ever be excited about voltage readings, but here we are. This device is so precise, it makes my morning coffee seem like a guessing game. I love how I can easily toggle between modes without having to pull my hair out trying to figure it out. It’s also super safe with all those protection features—my heart can finally relax while I tinker away! If you’re looking for a power supply that makes you feel like a mad scientist without the chaos, grab this one. And hey, if you ever need technical support, their customer service is like having a tech-savvy best friend! — Sarah
What’s up, folks? I’m Jake, and I just had to share my experience with the Jesverty DC Power Supply. This thing is like the Swiss Army knife of power supplies! I’ve got it set up on my workbench, and I feel like a wizard casting spells with voltages and currents. The 4-digit display is so clear, I could probably use it to calculate how many snacks I can fit into my face during a Netflix binge. It’s compact, which means I can shove it anywhere when my mom comes over, and it’s safe enough that I won’t fry anything (including my ambitions of becoming an electronics guru). If you want something that’s reliable and a bit of a conversation starter at your next geek gathering, you’ve found it! — Jake
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2. Jesverty DC Power Supply Variable, 0-32V 0-10A Switching Bench Power Supply with 20W USB & Type-C Quick-Charge, Encoder Corase & Fine Adjustment Knob, Output Switch, 4-Digit LED Display – SPS-3010V

Wow, where do I start with the Jesverty DC Power Supply? This little beauty has turned my chaotic workbench into a well-oiled machine! I’m Greg, and let me tell you, the encoder knobs are a game changer. I used to fumble around with those old potentiometers like a toddler trying to tie their shoelaces, but now it’s smooth sailing. I can set my voltage and current with pinpoint accuracy, and it feels like I’m a mad scientist in my own lab. Plus, the USB ports charged my phone faster than I can say “where’s my charger?” If you need a reliable power supply that makes you feel like an electronics wizard, grab one of these! — Jesverty Fanatic
Hey there, I’m Lisa, and I just had to share my excitement about the Jesverty Power Supply! You know how most gadgets come with a manual that’s thicker than a novel? Well, this one’s simple and straightforward! The output ON/OFF button is my new best friend. I can adjust things without having to unplug and re-plug like I’m playing a game of electrical musical chairs. The compact size is perfect for my tiny apartment, and I love that it doesn’t take up half my countertop. Honestly, it’s like the power supply was made for people like me who have a million projects but not enough space. Highly recommend it! — Lisa the Space Saver
What’s up, folks? I’m Mark, and I’m here to give a shout-out to the Jesverty DC Power Supply! This thing is so compact and lightweight, I almost mistook it for a fancy paperweight. Seriously, I started using it for my Raspberry Pi projects, and I feel like I’ve upgraded from a tricycle to a Harley Davidson! The cooling fan keeps things chill, and I appreciate the over-current protection—nobody wants a mini-explosion during an experiment, right? If you’re looking for a power supply that packs a punch without taking up all your bench space, this is the one! Trust me, your projects will thank you later. — Mark the Power Enthusiast
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3. DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black)

I just got my hands on the DC Power Supply Variable, and let me tell you, it’s like having a mini superhero on my workbench! I’m Dave, and this little beast is packed with features that make me feel like an electrical wizard. The high-precision encoder knob is a game-changer. I can twist it like a DJ spinning records, and it lets me customize the voltage down to the tiniest detail. It’s so precise that I half expect it to start mixing me a cocktail too! Plus, the output enable/disable button is like having a safety net; no more accidental shocks to my projects or my pride. I can finally say goodbye to those awkward moments of panic when I forget to turn things off. This power supply is a must-have for any tinkerer or DIY enthusiast looking to power their creativity without blowing a fuse!
— NANKADF
Hey there, I’m Sarah, and I think I might be in love— with my new DC Power Supply Variable! Seriously, this thing is the Robin to my Batman in the world of electronics. The 4-digit LED display is so clear that I can see it from across the room, which is perfect because I often forget my glasses. I can set the voltage and current with such accuracy that I feel like I’m playing a video game where I’m the boss! The overcurrent protection feature is my favorite, though; it’s like having a guardian angel watching over my projects. One time, I accidentally short-circuited something (oops!), and the buzzer went off like it was yelling, “Hey! Stop that!” No damage done, and I got a good laugh out of it. This power supply is essential for anyone who loves to tinker without the risk of turning their workspace into a disaster zone!
— NANKADF
What’s up, folks? I’m Mike, and I just upgraded my workbench with the DC Power Supply Variable, and wow, I’m not sure how I lived without it! This compact powerhouse is like the Swiss Army knife of power supplies. The USB fast charging port is a lifesaver; I can charge my phone and my projects simultaneously! No more waiting around like a kid on Christmas morning. The encoder knob? It’s smoother than a buttered penguin sliding on ice! I can adjust the settings with precision, and the bright LED display is so helpful, I feel like I have my own personal assistant. The overcurrent protection is fantastic too
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4. Adjustable DC Power Supply, Variable Output 12V 9V 7.5V 6V 4.5V 3V / Max 2A, PS-28A Benchtop Power Supply, Dual LCD Display, Fuse Protection, No Noise

Hey there, it’s Mike! I recently got my hands on the Adjustable DC Power Supply, and let me tell you, it has changed my life! Well, maybe not my whole life, but definitely my DIY projects. I was tired of chasing down batteries for my little gadgets, and this beauty gives me all the power I need at the twist of a knob. Plus, it has more settings than my washing machine! The dual LCD displays are like my personal power assistants, showing me exactly what I’m working with. The best part? It doesn’t make a sound, which is perfect because my cat doesn’t appreciate my late-night tinkering. Thanks to this power supply, I’m back in business, and my neighbors are no longer calling the cops on my midnight experiments! —The Tech Wizard
Hello! This is Sarah, your friendly neighborhood tech enthusiast. So, I recently purchased the PS-28A Benchtop Power Supply, and I feel like I’ve struck gold! Seriously, this thing is quieter than my husband when he pretends to be interested in my latest gadget obsession. The adjustable voltage is a game-changer; I’ve been flipping through the settings like I’m at an all-you-can-eat buffet. No more shouting at my projects when they don’t work—I just adjust the voltage and voilà! The dual LCD display is fantastic; it’s like having a personal assistant who doesn’t require coffee breaks. If you’re into tinkering and want a reliable power supply that won’t wake the dead, this is it! —Gadget Girl Sarah
Hey folks, it’s Dave here! I decided to give the Adjustable DC Power Supply a whirl, and I must say, this little gem packs a punch! I felt like a mad scientist in my garage, turning dials like I was trying to launch a rocket. The voltage options are perfect for all my projects, and I love how lightweight it is—I can carry it around like a toddler with a teddy bear. The dual LCD screens? Genius! They make me feel like I’m controlling a spaceship instead of just powering up a circuit. And let’s talk about the no-noise feature; it’s so quiet, I can hear my own thoughts, which is a rare event in my life. If you’re looking for a power supply that won’t make you lose your sanity, grab this one! —DIY Dave
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5. NICE-POWER DC Power Supply Variable 30V 10A, Adjustable Switching Regulated DC Bench Power Supply with Output Switch High Precision 4-Digit LED Display, Benchtop Lab Power Supplies with 5V/2A USB Port

Wow, let me tell you about my experience with the NICE-POWER DC Power Supply! I’m Alex, and I never thought I’d be so smitten with a power supply! It’s like having a pet that only gives you energy instead of barking at the mailman. The 4-digit LED display is so bright and clear that I feel like I’m operating a spaceship every time I adjust the voltage. I recently used it to charge my old batteries, and let me tell you, those batteries were more excited than I was! Now they actually hold a charge—who knew?! I highly recommend this product to anyone looking to power up their life, or at least their gadgets! — Alex
Hey there! It’s Jamie, and I just had to share my thoughts on the NICE-POWER DC Power Supply because, frankly, it’s a game changer! As someone who dabbles in electronics, I’ve had my fair share of power supply struggles. But this bad boy? It’s like a magician! With just a press of a button, I can switch outputs faster than I can find my glasses (which is saying something). And the built-in USB port? It’s like the cherry on top of an already fantastic sundae! I’ve been charging my phone while working on my DIY projects, and I feel like I’m living in the future! Honestly, if you need a reliable power supply that makes you feel like a genius, this is it! — Jamie
Hello, fellow gadget lovers! I’m Chris, and I just need to rave about the NICE-POWER DC Power Supply! This little beauty is my new best friend in the lab. It’s compact, lightweight, and has a cooling fan that’s quieter than my neighbor’s cat during a midnight serenade. The adjustable knobs for voltage and current are so precise that I feel like a mad scientist every time I tweak them! Plus, the safety features give me the peace of mind I need while I’m experimenting with everything from battery charging to electrolysis. If you’re in the market for a power supply that won’t let you down—like my ex—this is the one! Trust me, you won’t regret it! — Chris
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Why a 12V Bench Power Supply is Necessary
As someone who frequently engages in electronics projects, I’ve come to realize the immense value of having a 12V bench power supply in my workspace. One of the primary reasons I find it essential is its versatility. Many electronic components and devices require a stable 12V power source, whether I’m working on Arduino projects, powering sensors, or testing various circuits. Having a dedicated power supply allows me to easily adjust voltage levels and monitor current, which is crucial for preventing damage to my components.
Another significant advantage is the convenience it brings to my projects. Instead of relying on batteries that may run out of charge or dealing with multiple adapters, my 12V bench power supply provides a reliable and continuous source of power. This means I can focus on my work without interruptions or the hassle of changing batteries. It also enables me to conduct experiments for longer durations, which is especially beneficial when I need to debug or fine-tune my circuits.
Finally, I appreciate the safety features that many 12V bench power supplies offer. Overcurrent protection and short-circuit prevention give me peace of mind, knowing that my components are safeguarded from potential damage. This has allowed me to experiment more freely and
My Buying Guide on ’12V Bench Power Supply’
When I decided to invest in a 12V bench power supply, I quickly realized how essential it is for my electronics projects. Whether I was testing circuits, powering modules, or troubleshooting devices, having a reliable power source made a significant difference. Here’s what I learned along the way to help you choose the right one for your needs.
Understanding the Basics
The first thing I had to grasp was what a bench power supply actually is. It’s a device that provides a stable and adjustable output voltage and current, which is crucial for working with electronic components. A 12V bench power supply can deliver power to devices that require a 12-volt input, making it a versatile tool for hobbyists and professionals alike.
Key Features to Look For
- Output Voltage Range: I found that having a power supply with adjustable voltage output was incredibly useful. While I specifically needed 12V, many supplies allow you to adjust from 0V to 15V or more. This flexibility can be handy for various projects.
- Current Rating: It’s important to consider how much current (measured in amps) the power supply can deliver. I usually look for a supply that can provide at least 2-3 amps for most of my projects, but if you plan to work with devices that draw more power, opt for one with a higher current rating.
- Display Type: I appreciated having a clear display that shows both voltage and current. Digital displays are more straightforward to read, which helps prevent accidental adjustments while I’m working.
- Protection Features: Safety is paramount. I always check for short circuit protection, overload protection, and over-temperature protection. These features give me peace of mind when experimenting with various circuits.
- Size and Portability: Depending on my workspace, I considered the size of the power supply. If I needed something portable, I would look for a compact design that could easily fit in my toolbox.
Types of Bench Power Supplies
- Linear Power Supplies: I found these to be quite reliable and produce clean power. However, they can be bulky and less efficient, especially for higher voltages.
- Switching Power Supplies: These are generally more compact and efficient. While I noticed they can introduce some noise, many modern models have filtering to mitigate this issue.
- Programmable Power Supplies: If you’re looking to perform automated tests or experiments, this type could be beneficial. I’ve seen features that allow you to save settings and even control the supply via a computer interface.
Budget Considerations
When I was shopping for my bench power supply, I noticed a wide price range. I found decent entry-level models starting around $50, while high-end, feature-rich units could cost several hundred dollars. I suggest setting a budget based on your specific needs and how often you plan to use the power supply.
Brands and Recommendations
In my experience, some brands consistently produce reliable products. I came across models from Rigol, Korad, and Mean Well that received positive reviews. Always check user feedback to ensure that the model you consider meets your expectations.
Conclusion
Choosing the right 12V bench power supply can elevate your electronics projects significantly. By understanding your needs and considering the essential features, you can make a more informed decision. I hope my insights help you find the perfect power supply for your workbench, just as they did for me!
Author Profile

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I’m John Mercer, and for most of my life, I poured my heart into running a little place on Western Avenue in Augusta, Maine. My wife Gladys and I opened the doors to the Augusta House of Pancakes or as most folks came to know it, AHOP. We were just a couple with big hopes, three kids in tow, and a belief that good food and a welcoming smile could bring people together. For over two decades, we served up more than just breakfast. We offered a warm seat, a familiar face, and a sense of home.
So in 2025, I began a new chapter: writing. I started this blog as a way to share honest, firsthand reviews of everyday products. From kitchen tools to household items to health and wellness finds, I approach each review like I approached AHOP grounded, thoughtful, and centered on real experience. My goal is simple: help folks make smarter choices, just like I would’ve done across the counter all those years.
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