6 Best Lab Power Supply 2021-Buyer’s Guide

Whether you’re an engineering professional or rework/ repair person that tests different circuits and projects, must-have power supply lab pieces of equipment that you’re going to test the things.

Obviously, there are plenty of Lab Power Supply starting from cheaper to more perspective high quality latest out there. therefore it can be difficult to find out the best Lab Power Supply to suit your project needs.

Choosing a Best Lab Power Supply is a challenging task especially if you are a beginner and not familiar with all features, functions and layouts.

In the follow article we are going to itemized reviews of 6 Best Lab Power Supply 2021

So without further delay, let us get straight to the reviews

The Best Lab Power Supply 2021—Quick Ranking

1Lab Power SupplyTekpower TP3005T Linear powersupply lab, 0 – 30V @ 0 – 5A with Alligator Test Leads$$buy now with amazon e1607592022169
2best lab power supplySiglent Technologies SPD3303X-E Triple Output Power Supply
$$buy now with amazon e1607592022169
381hULbMFNhL. SL1500Rigol DP832 Triple Output 195 Watt Power Supply$$buy now with amazon e1607592022169
461GMf71a2lL. SL1500DC Power Supply Adjustable Eventek KPS3010D Variable Switching Regulated Digital Power Supply $$buy now with amazon e1607592022169
5Yescom 110V AC 30V 10A DC Power SupplyYescom 110V AC 30V 10A DC Power Supply Precision Variable Digital Adjustable w Clip Cable$$buy now with amazon e1607592022169
6Dr.meter DC Bench Power Supply Single OutputDr.meter 30V/5A Variable Linear DC Bench Power Supply Single-Output 110V/220V Lab Equipment$$buy now with amazon e1607592022169

Where do you need a Lab Power Supply

DC power supply is used as a testing tool and very commonly used in wide range applications to power up the device that needs to test. As you are aware that the Most of the electronic equipment consumes power in DC.

So for testing and measurement, Maintenance and development the DC power supply is required.The DC power supply mainly used to test and measure various allocations as per below

  • Mobile repair and service centers.
  • Industrial applications and production line testings
  • Telecommunication communications and equipment commissioning.
  • Domestic applications.
  • Automotive industry.

1. Tekpower DC Power Supply (TP3005T) – Best Overall

Output DC Voltage: 0.0V – 30.0V | Output DC Current: 0.00V – 5.00 A | Input Voltage: 110V/AC, 60Hz | Size: 10 x 5 x 7 ¾ inches | Weight: 12 lbs

The Tekpower TP3005T variable lab power supplies is a chock full of features equipment that is widely used in both Lab and advanced industrial use.

If you’re looking for a reliable best lab power supply,Tekpower power supply lab is the best selection with its ease to use functions and various other important features. This is the best choice and recommended for best bench power supply for beginners as well as hobbyists.

Some of its key highlights and features Tekpower TP3005T have two operation modes first is constant voltage and another is constant current. For safety the equipment is Overvoltage protection and for overheat protection its cooling fan automatically activates in the built thermal sensor.

When you order the power supply for the lab the list of delivered items includes TP3005T power supply,Power cord,Test leads with alligator clips and user manual.

Tekpower TP3005T power supply for lab

Lab Power Supply

Product Features

  • Suitable for both Lab and industrial use.
  • 1-year manufacturer’s warranty.
  • Back-lit LED Display with a 0.1V and 0.01A resolution.
  • Overvoltage protection

2. Siglent Technologies Power Supply-Best for High quality

Resolution: 1 mV, 1 mA | Display: 4.3″ color TFT-LCD | Manufacturer: Siglent Technologies | Size: 16 x 14 x 11 inches | Weight: 17.60 pounds

Siglent SPD3303X-E Programmable power supply lab is a perfect selection for your lab power supplies with a beautiful TFT liquid crystal screen. This lab power supply features 3 independent controlled and isolated outputs you can select one channel to one 2.5 V , 3.3 V ,5 V / 3.2 A and remaining 32V,3.2A outputs.

The Siglent SPD3303X-E is a great piece of technology with Clear graphical interface with a wonderful waveform display function to monitor essential parameters and waveforms.

We can not say that it is affordable and cheap but really worth the money. The easy to use functions and multiple unique features make it the perfect choice for beginners, engineers, and hobbyists.

This lab power supplies is full of high tech features like Intelligent temperature-controller,USB option, exceptional display clarity, overload and short circuit protection and many more latest features.

best lab power supply
Siglent Technologies Power Supply

Product Features

  • Suitable for both Lab and industrial use.
  • Minimum Resolution 1 mV/1 mA .
  • Clear graphical interface.
  • overload and short circuit protection.
  • Free PC software included

3. Rigol Power Supply (DP823)-Also great power supply lab

Resolution: 10 mA, 10 mV | Manufacturer : Rigol | Remote Sensing: No | Size: 21.8 x 15 x 12.2 inches | Warranty: 3 Years

Rigol power supply lab (DP823) is a high quality 195 Watt triple out power supply used in a wide range of advanced lab and industrial applications. This programmable lab power supply is constructed on an amazing UI Along with USB/LAN for remote communication.

Rigol lab Power Supply is easy to use features and Built in V, A, and W measurements to make power monitoring easy and efficient and more additional tracking, Timing and analysis features.

You can program and control the Rigol power supply for lab via SCPI PC command and also you can control the power supply remotely from the same special standard commanding languages.

Rigol Power Supply (DP823)

81hULbMFNhL. SL1500

Product Features

  • 195 Watt triple out power supply
  • 3-year manufacturer’s warranty.
  • Triple Output lab power supply.
  • SCPI PC command controlled remotely.

4. Eventek KPS3010D power supply for lab -Best in Class

DC output voltage: 0-30V | DC output current: 0-10A| Manufacturer: Eventek |Overall efficiency: 89%| Size: 8.8 x 3.2 x 6.5-inches | Weight: 3.2 pounds

Eventek KPS3010D is a product of Eventek brand that is a major manufacturer of electronic peripheral devices and other household items.

Lab power supplies for lab products are compact and light-weighted specially designed for the students, scientific research, lab power supply, schools and industrial applications.

This is the Best Bench Power Supply option with affordable prices and great multiple features For Electronics Hobbyists. Eventek power supply is FCC certified and made for high accuracy, reliable and short circuit protected circuits advanced wide range of applications.

With the help of an in-built thermo sensor, the Intelligence temperature controller effectively reduces the noise and increases the lifespan of the power supply for the lab device.

61GMf71a2lL. SL1500
Eventek KPS3010D Power Supply

Product Features

  • Intelligence temperature controller.
  • 1-year manufacturer’s warranty with 30 days money back offer
  • FCC certified.
  • Multiple protections featured
  • High current limiting and cooling fan

5. Yescom DC lab power supplies -Best in Class

Input voltage: 110V AC,±10% 60Hz | Output voltage: DC 0-30V | Display precision: ±1% ±1digit | Voltage stabilization: ≤0.05% +1mV | Package Dimensions14.02 x 7.87 x 6.93 inches

Yescom lab power supplies come in durable strong steel case and recommended for engineers and laboratories supply.Digital Tube Display is very unique made by Dual LED for effective monitoring and analysis.

This Best Bench Power Supply is Safe circuit design made of high quality electronic components that can be used 24 hours for uninterrupted with full load.

There is no use of a battery that can be powered by a normal home external power source directly.It is an essay to use and recommended for beginners, homeowners, and hobbyists.

Yescom 110V AC 30V 10A DC Power Supply
Yescom power supply lab

Product Features

  • Suitable for both Lab and industrial use.
  • 1-year manufacturer’s warranty.
  • Adjustable voltage and current readings.
  • Overvoltage protection with Durable steel case
  • Use the power supply lab 24×7

6. Dr.meter DC Bench Power Supply-Good quality and affordable price

Output voltage: 0-30V | Output current: 0-5A | Voltage stability: <0.01%+3mV| Size: 14.75 x 8.5 x 7.4 inches | Weight: 12.1 Pounds|Ripple & noise: <1.0m Vrms

Dr.meter DC lab power supplies are single phase output continuously adjustable linear power supplies with high stability and used in a wide range of applications.

If you’re looking for a reliable and affordable DC Bench Power Supply Dr.meter is perfect selection with essay to use functions and advanced various features. This low cost power supply lab is widely used in schools, laboratories and industrial production lines.

Dr.meter DC Bench Power Supply Single Output
Dr.meter DC Bench Power Supply

Product Features

  • Suitable for students, Lab and industrial use.
  • Adjustable voltage and current readings
  • 3 LED voltage and current display
  • Overvoltage protection
  • Good quality power supply lab with good price.

Buyer’s Guide to the Best Lab Power Supply 2021

If you are looking for a list of the features some time it is helpful with basic but not for comparisons because in the market all products have great features and in this situation how you will narrow down the list of 6 Best Lab Power Supply. How you decide which feature will matter you considering the cost of equipment.

Here we are attaching and listing the crucial factors carefully when finalizing and Purchasing the best benchtop power supply for your needs.


Ideally, you should get a power supply for the lab that has a good Resolution of DC electronic power supply. If the selected device is with low Resolution the chances of error in measurement is higher.

Safety Features

Undoubtedly, the safety feature is the most important feature while considering the power supply for lab for any electrical work. The cost of equipment is too high so the devices must be equipped with internal fortifications to prevent devices from overheating, over voltages, fires, and explosions.

It is recommended to invest in such power supplies for the lab that have a heat resistance body and featured with Intelligence temperature controller sensors.

Ripple & Noise

Ripple mainly output voltage inherently persists due to internal switching in power supply for lab. So ripple can mislead the analysis in the wrong direction.For best benchtop power supply minimum as possible.

Noise is also a kind of disturbance that can be viewed in frequency domain should be optimum.

Extra Features

If you are investing to buy a lab power supplies always look for extra with supplementary features to make you working comfortably and simplify.


Accuracy is the perhaps most important for lab power supplies. The device that we are investing must be high accuracy to better results.The accuracy denotes the value that the how much measured value differs from the standard value.

Linear vs switching

The lab power supplies are available in switching mode and leaner mode. A linear mode is a conventional supply that is simply converted from AC to DC supply. In normal operations a transformer is used to step down the supply.

switching mode power supply is not required and transformers to convert ac to dc can be converted directly with further modified the equipment requirements.

Final Thoughts

Choosing the best benchtop power supply Reviews is a pretty complicated decision because there are hundreds of options and a lot of factors determine which best benchtop power supply Reviews will fit most for your project requirements.

And with that and We sincerely hope that this detailed review you have enjoyed will help to find the best benchtop power supply Reviews for your needs.

We hope to provide you with an insight buying guide and involved factors to make selecting, how the cleaning material impacts the selection of best benchtop power supply etc.

Till next time! and if For any queries, please feel free to drop your comments below.

Stay safe. Take care

Electronics Engineer,Blogger and a Young Entrepreneur by passion.With more than 18 years of broad experience in New Product Introduction and Process Improvement.

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