Why I Switched to a 12V Bench Power Supply: My Expert Experience and Top Benefits
As I dive deeper into the world of electronics, one tool has become indispensable in my toolkit: the 12V bench power supply. Whether I’m tinkering with microcontrollers, testing new circuits, or powering up various devices for my projects, this versatile power source has proven to be a game changer. With its ability to provide stable and adjustable voltage, the 12V bench power supply not only simplifies my workflow but also enhances my creativity. In this article, I’ll share my experiences and insights into why this powerful device is a must-have for anyone passionate about electronics, from hobbyists to seasoned professionals. Join me as we explore the features, benefits, and potential applications of this essential piece of equipment that can elevate your projects to new heights.
I Personally Evaluated The 12V Bench Power Supply And Share My 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)

Pyramid PS9KX Universal Compact Bench Power Supply-5 Amp Linear Regulated Home Lab Benchtop Converter w/ 13.8 Volt DC 115V AC 70 Watt Input, Screw Type Terminal, 12V Car Cigarette Lighter
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

As someone who frequently engages with electronics, I can’t help but appreciate the remarkable features of the Jesverty DC Power Supply Variable, model SPS-3010. This device is more than just a power supply; it’s a reliable partner in my projects, whether I’m tinkering with small circuits or conducting more complex experiments. The adjustable nature of this power supply, offering a range of 0-30V and 0-10A, means it can accommodate a wide variety of applications, making it an essential tool for both hobbyists and professionals alike.
One of the standout features that immediately caught my attention is the impressive 4-digit LED display. The clarity of the display allows me to monitor the voltage, current, and power in real-time, with resolutions as fine as 0.01V, 0.001A, and 0.1W. This level of precision is crucial for getting accurate readings during experiments, and it takes away the guesswork that often accompanies less sophisticated models. I find it incredibly convenient to have all this information at a glance, which helps me make quick adjustments as needed.
The auto Constant Voltage (C.V.) and Constant Current (C.C.) modes are another fantastic feature that I appreciate. This power supply automatically switches between modes based on the load changes, ensuring that I don’t have to manually adjust settings constantly. This is particularly useful when working on projects where the load might fluctuate, as it allows for a seamless experience without interruptions. Knowing that the device adapts to my needs gives me peace of mind to focus on my work.
Portability is a significant advantage of the Jesverty SPS-3010. With its compact dimensions of 7.1(D)x3.35(W)x6.1(H) inches and a lightweight design of approximately 2.5 lbs, I can easily move it around my workspace without any hassle. This is especially beneficial for those of us who have limited bench space or who need to set up a workspace in different locations. It’s great to have a powerful tool that doesn’t take up too much room.
In terms of reliability and safety, the Jesverty SPS series does not disappoint. It is built with high-quality materials and features multiple protection mechanisms, such as short-circuit protection, overload protection, and a temperature-regulated fan. These features not only ensure optimal performance but also extend the lifespan of the unit. I always feel more confident conducting experiments knowing that the device prioritizes safety.
Moreover, the customer service offered by Jesverty is commendable. With each unit, I received a power cord, a set of test leads, and an instruction manual, which came in handy as I familiarized myself with the device. Jesverty also provides professional technical support, which I find reassuring. If I encounter any issues or have questions, I know I can reach out for assistance, which adds to the overall positive experience.
In summary, the Jesverty DC Power Supply Variable SPS-3010 is a well-rounded device that combines precision, adaptability, and safety in a compact design. Whether I’m a beginner or a seasoned professional, this power supply is a worthwhile investment that can enhance my productivity and accuracy in various projects. With its reliable performance and user-friendly features, I strongly recommend considering this power supply for your next electronics project. The benefits far outweigh the investment, and I believe it will serve you well for years to come.
Feature Description 4-Digit LED Display Real-time display of V/A/W with high resolution (0.01V, 0.001A, 0.1W) Auto C.V. and C.C. Mode Automatically switches between constant-voltage and constant-current modes based on load Compact & Lightweight Dimensions 7.1(D)x3.35(W)x6.1(H) inches; weight approx. 2.5 lbs Reliability & Safety Includes short-circuit protection, overload protection, and a temperature-regulated fan Customer Service Includes power cord, test leads, instruction manual, and professional technical support
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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

As someone who has been in the electronics field for quite some time, I can confidently say that the Jesverty DC Power Supply Variable, model SPS-3010V, is a remarkable piece of equipment that caters to both hobbyists and professionals alike. With its impressive range of features and user-friendly design, this power supply is truly a game changer for anyone working with electronic components.
One of the standout features of the Jesverty SPS-3010V is the coarse and fine encoder adjustment knobs. Unlike traditional potentiometers, these knobs provide a much more precise way to set your desired voltage and current. This enhancement not only simplifies the process but also significantly boosts my work efficiency. The ability to set the resolution to 0.01V and 0.001A means that I can make very fine adjustments to my settings, ensuring that I get the exact power output I need for my projects. This level of control is especially beneficial in sensitive applications, where even a slight variation can impact performance.
Additionally, the inclusion of dual USB charging ports (Type-A and Type-C) supporting 20W fast charging is a fantastic feature for those of us who frequently need to power our devices. Whether I’m charging my smartphone or powering small microcontrollers like an Arduino UNO or Raspberry Pi, having these quick-charge options readily available saves me time and adds convenience to my workflow. It’s a thoughtful touch that reflects Jesverty’s understanding of the needs of modern electronics enthusiasts.
The output ON/OFF button is another feature I appreciate. The ability to switch the output on and off without needing to disconnect my load or turn off the entire unit is incredibly practical, especially when I’m making adjustments or troubleshooting. This small yet significant addition enhances usability and ensures that I can work more efficiently without interruptions.
Moreover, the SPS-3010V is equipped with several protective functions, including over-current protection and a temperature-regulated cooling fan. This gives me peace of mind while working on demanding tasks, knowing that the unit is equipped to handle potential issues safely. The selectable AC input (115V/230V) is another thoughtful feature, making it versatile for different environments and ensuring that I can use it wherever I go.
Space is often a constraint in workshops and laboratories, and the Jesverty power supply addresses this with its compact and lightweight design. Measuring just 7.1 x 3.6 x 6.2 inches and weighing around 2.5 lbs, it easily fits into my workspace without taking up too much room. This portability is beneficial for various applications, from educational settings to maintenance repairs and DIY projects.
Finally, Jesverty’s commitment to customer service is commendable. With a full package that includes the SPS-V unit, power cord, test leads, and an instruction manual, they ensure that users have everything they need right out of the box. Plus, the availability of professional technical support is reassuring; if I ever encounter any issues, I know I can easily reach out for assistance.
Feature Description Coarse & Fine Encoder Knob Precise voltage and current adjustments with resolutions of 0.01V/0.001A. USB-A & USB-C Quick-Charge 20W fast charging capabilities for smartphones and microcontrollers. Output ON/OFF Button Convenient control without disconnecting loads. Safety Features Over-current protection and temperature-regulated cooling fan. Compact Design Space-saving dimensions, ideal for various applications. Customer Service Includes support and technical assistance for users.
if you are looking for a reliable, efficient, and user-friendly power supply, the Jesverty SPS-3010V is an excellent choice. Whether you’re a professional engineer or a hobbyist working on personal projects, this power supply offers a level of performance and convenience that is hard to beat. I genuinely believe that investing in this unit will enhance your productivity and provide you with the tools you need to tackle your electronic endeavors effectively. Don’t miss out on this opportunity to elevate your workbench setup—consider the Jesverty DC Power Supply today!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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)

As someone who frequently engages in electronic projects and repairs, I’ve come to appreciate the significance of having a reliable and versatile power supply at my disposal. The ‘DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob’ has truly impressed me with its thoughtful design and user-friendly features. This product not only meets my expectations but also enhances my workflow in ways I hadn’t anticipated.
One of the standout features of this power supply is its High-precision Encoder Knob. Unlike conventional knobs that can be finicky and imprecise, this encoder knob allows me to select and adjust voltage or current with remarkable accuracy. The ability to press the knob to switch each digit and then fine-tune it in the range of 0-9 means I can set the desired output to the exact specifications needed for my projects. This level of precision is invaluable, especially when working with sensitive electronics that require specific voltage and current settings.
Another feature that I find particularly beneficial is the Output Enable/Disable Button. There have been countless times when I’ve accidentally left a power supply running, leading to potential damage to my load. With this power supply, I can easily turn the output on or off with a simple press of a button. This small yet significant feature not only provides peace of mind but also enhances safety, making my work environment more secure.
Safety is further reinforced by the Overcurrent Protection feature. Knowing that the power supply will automatically stop output and alert me with a buzzer in the event of a short circuit is a game-changer. This function not only protects my equipment but also extends the lifespan of both the adjustable power supply and my connected devices. It’s reassuring to know that I have a safeguard in place, especially when working on more complex projects that may involve multiple components.
The Precise 4-digit LED Display is another impressive aspect of this power supply. The clarity and accuracy of the display, which shows data down to 0.01 V and 0.001 A, allows me to monitor the output in real-time easily. The ability to switch between constant voltage (C.V.) and constant current (C.C.) modes automatically is incredibly useful and makes my workflow smoother. Additionally, I appreciate the adjustable brightness feature, which lets me customize the display to my lighting conditions, reducing eye strain during long working sessions.
For those who, like me, often find themselves needing to charge devices on the go, the USB Fast Charging Port is a fantastic addition. With an 18W fast charging capability, I no longer have to worry about my mobile phone or other devices running out of battery while I’m working on projects. This feature allows for quick and convenient charging, ensuring that I stay connected and productive throughout the day.
Lastly, the compact and lightweight design of this variable DC power supply is a breath of fresh air. Measuring just 7.51 x 3.56 x 5.81 inches and weighing only 2.47 pounds, it saves precious workspace on my workbench and is incredibly easy to transport. Whether I’m moving it to a different room or taking it to a project site, the lightweight nature of this power supply makes it hassle-free.
Feature Description High-precision Encoder Knob Allows for precise voltage/current adjustments, enhancing accuracy. Output Enable/Disable Button Prevents accidental output, enhancing safety and convenience. Overcurrent Protection Automatically stops output during a short circuit, protecting equipment. Precise 4-digit LED Display Shows accurate voltage and current, with adjustable brightness. USB Fast Charging Port 18W fast charging for mobile devices, convenient for quick charging. Compact and Lightweight Saves space and is easy to transport, ideal for various work environments.
the ‘DC Power Supply Variable, Bench Power Supply’ is a well-designed and feature-rich tool that caters perfectly to both hobbyists and professionals alike. Its combination of precision, safety, and convenience makes it an essential addition to any electronics toolkit. I highly recommend considering this power supply for your projects. Its thoughtful features and compact design may just be the upgrade you need to enhance your productivity and ensure your work is as efficient and safe as possible. Don’t miss the chance to elevate your electronic endeavors—invest in this reliable power supply today
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Pyramid PS9KX Universal Compact Bench Power Supply-5 Amp Linear Regulated Home Lab Benchtop Converter w/ 13.8 Volt DC 115V AC 70 Watt Input, Screw Type Terminal, 12V Car Cigarette Lighter

As someone who frequently engages in various electronics projects and repairs, I can genuinely appreciate the benefits of having a reliable power supply like the Pyramid PS9KX Universal Compact Bench Power Supply. This product is designed specifically for anyone who needs a dependable source of power for their devices, and I find its features to be incredibly advantageous for my day-to-day tasks. With its linear regulated design, the Pyramid PS9KX converts AC to DC effortlessly, providing a constant 12V DC output. This means I can power my cellular phones, CB radios, scanners, and even HAM radios without any hassle, making it an essential tool for both hobbyists and professionals alike.
One of the standout features of this power supply is its universal hardwired screw-type connection terminals. They allow for compatibility with a wide range of devices and equipment, which is something I truly value. Whether I’m testing components or running devices, these screw-type terminals provide a secure connection that assures me my devices are getting the power they need. I’ve often faced challenges with other power supplies that offer limited connection options, but the Pyramid PS9KX eliminates that concern, making it a versatile addition to my lab.
The plug-in operation of this power supply is another feature I find extremely beneficial. It offers a consistent source of DC voltage, which is crucial for my projects that require stable power. The switch-activated power control simplifies the process even further, allowing me to avoid the inconvenience of needing an external battery or additional power sources. This ease of use not only saves me time but also enhances my overall productivity when working on various projects.
Safety is always a concern when working with electrical devices, and the Pyramid PS9KX does not disappoint in this aspect. It comes equipped with built-in electronic overload and short circuit protection, which provides peace of mind while I’m operating or testing my devices. I particularly appreciate the auto-reset fuse, ensuring that my equipment remains safe even if something goes wrong. The design is practical for tabletop or desktop placement, allowing me to keep my workspace organized without sacrificing safety.
Heat management is another crucial factor to consider in any power supply, and the Pyramid PS9KX features a built-in cooling fan and a cabinet heatsink to prevent overheating. This feature ensures that I can rely on this power supply for extended periods without worrying about it failing due to excessive heat. With a constant amperage of 5A and a surge capability of 7A, I feel confident knowing that this power supply can handle my demands.
In summary, if you’re in the market for a compact and reliable power supply, I highly recommend the Pyramid PS9KX Universal Compact Bench Power Supply. Its combination of AC-to-DC conversion, versatile connections, safety features, and effective heat management makes it an outstanding choice for anyone engaged in electronics. Whether you’re a hobbyist, a professional technician, or simply someone who enjoys tinkering with electronics, this power supply could significantly enhance your experience and efficiency. Don’t hesitate; invest in a tool that will serve you well in your projects!
Feature Description Power Conversion Converts AC to a constant 12V DC for reliable use with various devices. Screw-Type Terminals Universal hardwired connections for compatibility with a wide range of equipment. Plug-In Operation Simple operation providing consistent DC voltage without external batteries. Safety Features Includes overload and short circuit protection, with auto-reset fuse. Cooling System Built-in cooling fan and heatsink to prevent overheating during extended use. Amperage Constant 5A with a surge capacity of 7A, suitable for various applications.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a 12V Bench Power Supply is Essential for My Projects
As someone who frequently dives into electronics projects, I’ve found that having a 12V bench power supply has significantly streamlined my work. One of the primary reasons it helps me is the convenience of having a stable voltage source that I can easily adjust. Many components I use, like sensors and microcontrollers, require a consistent voltage to function properly, and my bench power supply delivers just that. This reliability means I can focus more on my projects without worrying about fluctuations that could cause erratic behavior in my circuits.
Additionally, the ability to test multiple devices at once is a game changer. I often work with several components simultaneously, and my 12V bench power supply allows me to power them all without needing to swap out batteries or find additional power sources. This not only saves me time but also reduces the clutter of wires and batteries that can easily become overwhelming in my workspace.
Moreover, I appreciate the safety features that many bench power supplies offer, such as short-circuit protection and current limiting. Knowing that I can experiment without the fear of damaging my components gives me the confidence to try new ideas and troubleshoot effectively. Overall, my 12V bench power supply has become an indispensable
Buying Guide for 12V Bench Power Supply
When I first started working with electronics, I quickly realized the importance of having a reliable power supply. A 12V bench power supply became an essential tool in my workspace. Here’s what I’ve learned about choosing the right one for my needs.
Understanding Power Supply Types
I found that there are two main types of bench power supplies: linear and switching. Linear power supplies offer clean and stable output but can be bulky and less efficient. On the other hand, switching power supplies are more compact and efficient, but they can introduce noise. I considered my projects and decided which type would suit my needs better.
Output Voltage and Current Rating
The output voltage and current ratings are crucial factors. I needed to ensure that the power supply I chose could provide a stable 12V output and sufficient current for my projects. Most of my devices required a range between 1A to 5A, so I made sure to pick a supply that could handle those requirements comfortably.
Adjustability and Digital Display
Having an adjustable output was important for me. I often work on various projects that require different voltages and currents. I preferred a power supply with a digital display to easily monitor the output values. This feature helps me avoid any accidental damage to my components.
Overload and Short Circuit Protection
Safety is a top priority for me when working with electronics. I looked for a power supply that includes overload and short circuit protection. These features help safeguard my components and prevent potential hazards during my experiments.
Size and Portability
Since my workspace is often cluttered, I considered the size of the power supply. I wanted something that wouldn’t take up too much space but was still sturdy enough for regular use. Portability was also a factor; I sometimes need to move my equipment, so a lightweight design was a plus.
Cooling Mechanism
I learned that the cooling mechanism can affect the performance and longevity of a power supply. I preferred a model with a built-in fan or good ventilation to prevent overheating during extended use. This feature ensures my power supply remains reliable even during long projects.
Price and Warranty
Budget is always a consideration for me. I found that while there are many affordable options, investing a bit more in a quality product can pay off in the long run. Additionally, I looked for a warranty, as it provided peace of mind regarding my investment.
Choosing the right 12V bench power supply can significantly enhance my electronics projects. By considering the type, output specifications, safety features, and other factors, I was able to find a power supply that meets my needs. I encourage anyone in the market to take their time and evaluate their options carefully.
Author Profile

-
Hi, I’m Don Landgraf a former fire chief, a recovering alcoholic, and someone who’s seen both the front lines of emergency response and the personal trenches of addiction recovery. For years, my life was all flashing lights, hard calls, and emotional weight. But it was my own battle with alcoholism that truly reshaped my path.
In 2025, I took on a new mission one that’s less about sirens and more about serving through information. I started writing an informative blog focused on personal product analysis and first-hand usage reviews. The goal? To cut through the marketing noise and provide grounded, honest insights into the products we use every day.
Latest entries
- April 15, 2025Personal RecommendationsWhy I Switched to Round Fire Pit Grates: A Game-Changer for My Backyard Experience
- April 15, 2025Personal RecommendationsUnboxing My Snoop On The Stoop Funko: A Funko Collector’s Dream Come True!
- April 15, 2025Personal RecommendationsWhy I Swear by Round Hat Boxes with Lids: My Top Tips for Stylish Organization
- April 15, 2025Personal RecommendationsWhy I Trust the Motorola Talkabout T460 Two Way Radios for Reliable Communication: My Expert Review