Finding your suitable benchtop power supply is not easy. You may need consider between hundred or thousand products from many store. In this article, we make a short list of the best benchtop power supply including detail information and customer reviews. Let's find out which is your favorite one.

Finding your suitable benchtop power supply is not easy. You may need consider between hundred or thousand products from many store. In this article, we make a short list of the best benchtop power supply including detail information and customer reviews. Let’s find out which is your favorite one.

Best benchtop power supply

Product Features Editor's score Go to site
DC Power Supply Adjustable (0-30 V 0-10 A), Eventek KPS3010D Variable Switching Regulated Digital Power Supply with Alligator Leads US Power Cord DC Power Supply Adjustable (0-30 V 0-10 A), Eventek KPS3010D Variable Switching Regulated Digital Power Supply with Alligator Leads US Power Cord
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Siglent Technologies SPD3303X-E Triple Output Power Supply Siglent Technologies SPD3303X-E Triple Output Power Supply
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DC Power Supply Variable, Tacklife 4 digital LCD display (0-30V/0-5A) Switching DC Regulated Power Supply, Reverse polarity/high temperature protection, with 110V/115CM Alligator Leads DC Power Supply Variable, Tacklife 4 digital LCD display (0-30V/0-5A) Switching DC Regulated Power Supply, Reverse polarity/high temperature protection, with 110V/115CM Alligator Leads
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Tekpower TP3005T Variable Linear DC Power Supply, 0-30V @ 0-5A with Alligator Cable and Power Cord, Linear type is much better than Switching type Tekpower TP3005T Variable Linear DC Power Supply, 0-30V @ 0-5A with Alligator Cable and Power Cord, Linear type is much better than Switching type
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DC Power Supply Variable, Eventek KPS305D Adjustable Switching Regulated Power Supply Digital, 0-30 V 0-5 A with Alligator Leads US Power Cord DC Power Supply Variable, Eventek KPS305D Adjustable Switching Regulated Power Supply Digital, 0-30 V 0-5 A with Alligator Leads US Power Cord
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Dr.meter 30V/5A DC Bench Power Supply Single-Output 110V/220V Switchable with Alligator Clip included, US 3-prong Cable,PS305DM Dr.meter 30V/5A DC Bench Power Supply Single-Output 110V/220V Switchable with Alligator Clip included, US 3-prong Cable,PS305DM
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Yescom 110V AC 30V 10A DC Power Supply Precision Variable Digital Adjustable Clip Cable Yescom 110V AC 30V 10A DC Power Supply Precision Variable Digital Adjustable Clip Cable
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DC Power Supply Variable,LongWei LW-3010D Adjustable Switching Regulated Power Supply Digital,0-30V 0-10A with Alligator Leads US Power Cord DC Power Supply Variable,LongWei LW-3010D Adjustable Switching Regulated Power Supply Digital,0-30V 0-10A with Alligator Leads US Power Cord
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Tekpower TP3005E DC Adjustable Switching Power Supply 30V 5A Digital Display Tekpower TP3005E DC Adjustable Switching Power Supply 30V 5A Digital Display
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UCTRONICS Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply Constant Voltage Current Buck Power Converter Power Supply Adjustable Module UCTRONICS Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply Constant Voltage Current Buck Power Converter Power Supply Adjustable Module
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Related posts:

1. DC Power Supply Adjustable (0-30 V 0-10 A), Eventek KPS3010D Variable Switching Regulated Digital Power Supply with Alligator Leads US Power Cord

Feature

DC Power Supply Adjustable: 0-30 volts and 0-10 amp outputs; the Back-lit LED display accuracy: 0.1 V and 0.01A
Constant voltage and current operation mode (C.C and C.V. automatic conversion); Light weight with heavy Output
Intelligent temperature control with built-in thermo-sensor, effectively reduce noise and prolong the life of product
Multiple protections: limit current protection, thermal protection, voltage overload protection, short-circuit protection
Eventek DC Power Supplies are FCC certified, 30 Days Money Back 12 Months Limited Guarantee for you !

Description

The Eventek KPS series high precision DC power supply is specially designed for scientific research, product development, laboratories, schools and electronic production lines.
The output voltage and current are continuously adjustable at nominal value. Featuring high accuracy, reliability, perfect overload and short circuit protection circuit, they can be an ideal choice for the industry.

Operating conditions:

- Input voltage: AC110V/220V10% (switch selection), 50Hz/60Hz
- Operating environment: 32 - 104F (0 - 40C), and humidity: 90%
- Storage environment: temperature: 4F-140F(-20C~60C), and humidity: 80%

Specifications:
- Output voltage: DC 0-30V Continuous adjustable
- Output DC Current: 0V - 10A
- Overall efficiency: 89%
- Display resolution: voltage: 0.1V , current 0.1A
- Voltage and Current adjustment
- Voltage regulation: CV 0.01% + 3mV, CC < 0.2% + 6 mA
- Protection: High current limiting and cooling fan
- Load stabilization: CV 0.1% +1mV / CC 0.1% +3mA
- Ripple and noises: CV < 1 mV rms, CC < 3 mA, rms
- Cooling way: Intelligent temperature control fan. if the temperature is higher than 50C
- Dimension: 8.8x 3.2x 6.5 Inch
- Unit Weight: 3.2pounds

What You Get:
Eventek KPS3010D Power supply host x 1
Output power cord x 2
Input power cord x 1
User manual x 1

Notice:

Do not operate in humid environment
Do not operate in flammable and explosive environment
Keep the product surface clean and dry

2. Siglent Technologies SPD3303X-E Triple Output Power Supply

Feature

3 independent controlled and isolated outputs
32V/3.2A x 2, 2.5V/3.3V/5V/3.2A x 1, total power: 220W
# output modes: independent, series, parallel
Timing output function. Trending graphs
USB / LAN interfaces

Description

The Siglent SPD3303X-E Power Supply contains three independent power supplies in one unit. As a true linear supply, output noise and regulation are excellent. With its intelligent temperature-controlled fan, noise is reduced. Voltage resolution is 10mV / 10mA. The SPD3303X-E Power Supply comes with EasyPower PC software, supports SCPI commands and like all Siglent instruments, has an available LabView driver.

3. DC Power Supply Variable, Tacklife 4 digital LCD display (0-30V/0-5A) Switching DC Regulated Power Supply, Reverse polarity/high temperature protection, with 110V/115CM Alligator Leads

Feature

Adjustable High Precision DC Power Supply: Provide desired voltage from 0 to 30V and the current to limit up to 5A max, meet the needs of most people, ideal for small labs or the hobbyist at home
4 Digits Readings With Back-lit LED Display:With a 0.01V and 0.01A resolution, 4 digits provide accurate and clearly visible readout for the voltage and current value, and are extremely durable and easily visible even in low-light usage
High-quality With Essential Safety: Grounding wire, thermal protection, voltage overload and short-circuit protection ensure the safety; The built-in fan reduce the operation noise, effectively prolong the life of product
Constant Voltage And Current Operation Mode: Easy to dial in the desired voltage with the encoded-controlled fine and coarse adjustment knob, can easily see the amperage and voltage change as circuit components are switched in and out
What You Get: 1 x MDC01 Power supply host, 1 x Output power cord , 1x Input power cord , 1 x User manual ,1 x Warranty Card(24 Month Warranty)

Description


Product description:

The Tacklife high precision DC power supply is specially designed for laboratories, schools and electronic production lines.The output voltage and current are continuously adjustable at nominal value. Featuring high accuracy, reliability, perfect overload and short circuit protection circuit, they can be an ideal choice for electronic maintenance and teaching units.

Feature:
1. Single output, single phase
2. 110V/220 +10% input voltage, dual-input voltage.
3. Output constant current and voltage adjustable
4. mA and A converted display controlled by one button.
5. Constant voltage and current operation model. C.V and C.C convert automatically
6. Current limitation protection

Specifications:

Input voltage: 220 V/110V10% 50/60Hz (setting switch at the back)
Output voltage: 0-30V
Output current: 0-5A
Relative humidity: <80%
Relative humidity: <70%

Constant voltage state:

Voltage stability: <0.01%+3mV
Load stability :< 0.01%+5mV
Ripple & noise : <1.0mVrms
Temperature coefficient: < 300PPM/0C

Constant current state:

Current stability: < 0.2%+3mA
Load stability :< 0.2%+3mA
Ripple & noise :< 3mArms

4. Tekpower TP3005T Variable Linear DC Power Supply, 0-30V @ 0-5A with Alligator Cable and Power Cord, Linear type is much better than Switching type

Feature

High precision DC regulated power supply with 0-30 volts and 0-5 amp outputs
Two operational modes: constant voltage and constant current
Cooling fan automatic activation by built-in thermo-sensor
Back-lit LED Display with a 0.1V and 0.01A resolution
Authentic Tekpower brand, sold exclusively by Electronnix through amazon.com with 1-year manufacturer's warranty

Description

What is difference between Linear Power supply and Switching Power supply ?
Linear type is made by traditional wire transformer as the voltage conversion, It is Quiet and No noise, cost higher while the switching type is a transistor conversion which gives much noise and interference , but low cost and low quality.
The Tekpower TP3005T variable DC power supply is a compact linear type affordable instrument that is suitable for both Lab and industrial use. This digital DC power supply has maximum output voltage of up to 30 volts and current up to 5 amps. It comes with rotary switches for setting up the voltage and current. With its reliability and versatility, it's an invaluable and indispensable tool for testing, science project and etc., ideal for labs, research institutes, R & D facilities.
You can set CV and CC by pushing the Buttons, easy and stable.
Specifications:

Output DC Voltage: 0.0V - 30.0V
Output DC Current: 0.00V - 5.00 A
Input Voltage: 110V/AC, 60Hz
Voltage and Current adjustment
Voltage regulation: CV < 0.01% + 3mV, CC < 0.2% + 6 mA
Load regulation: CV < 0.01% + 3mV, CC < 0.02% + 3mA
Ripple and noises: CV < 1 mV rms, CC < 3 mA, rms
Protection: High current limiting and cooling fan.
Operating Temperature: 0 - 102 F (0 - 40 C), Relative Humidity: < 80%
LCD Accuracy is within +/- 2.5%
Size: 10 x 5 x 7 inches
Weight: approx. 12 lbs

What's in the box:

TP3005T power supply
Power cord
Test leads with alligator clips (28 inches long)
User manual

Tekpower is a registered trademark in the United States, any unauthorized use of our trademark is a violation of both Federal and State trademark laws and could subject to liability for damages and penalties.

Your feedback is not only important to us but also beneficial to other customers, therefore we'd like to invite you to submit a review.

5. DC Power Supply Variable, Eventek KPS305D Adjustable Switching Regulated Power Supply Digital, 0-30 V 0-5 A with Alligator Leads US Power Cord

Feature

DC Power Supply Adjustable: 0-30 volts and 0-5 amp outputs; the Back-lit LED display accuracy: 0.1 V and 0.01A , Could be used for electro etching
Constant voltage and current operation mode (C.C and C.V. automatic conversion); Light weight with heavy Output
Intelligent temperature control with built-in thermo-sensor, effectively reduce noise and prolong the life of product
Multiple protections: limit current protection, thermal protection, voltage overload protection, short-circuit protection
Eventek Power Supplys are FCC certified; 30 Days Money Back 12 Months Limited Guarantee for you !

Description

The Eventek KPS series high precision DC power supply is specially designed for scientific research, product development, laboratories, schools and electronic production lines.
Eventek KPS DC power supply could be used for electro etching
The output voltage and current are continuously adjustable at nominal value. Featuring high accuracy, reliability, perfect overload and short circuit protection circuit, they can be an ideal choice for the industry.

Operating conditions:

  • Dual Input voltage: AC 110V/220V10% (switch selection 115V in United States), 50Hz/60Hz
  • Operating environment: 32 - 104F (0 - 40C), and humidity: 90%
  • Storage environment: temperature: 4F-140F(-20C~60C), and humidity: 80%

    Specifications:
    - Output voltage: DC 0-30V Continuous adjustable
    - Output DC Current: 0V - 5A
    - Overall efficiency: 89%
    - Display resolution: voltage: 0.1V , current 0.01A
    - Voltage and Current adjustment
    - Voltage regulation: CV 0.1% + 3mV, CC < 0.5% + 6 mA
    - Protection: High current limiting and cooling fan
    - Load stabilization: CV 0.5% +1mV / CC 0.5% +3mA
    - Ripple and noises: 0.5%V P-P
    - Cooling way: Intelligent temperature control fan.
    - Dimension: 8.8x 3.2x 6.5 Inch
    - Unit Weight: 3.2pounds

    What You Get:
    Power supply host x 1
    Output power cord x 2
    Input power cord x 1
    User manual x 1

    Notice:

    Do not operate in humid environment
    Do not operate in flammable and explosive environment
    Keep the product surface clean and dry
    It has a switch to flip between 110v and 220v (when 220v,you get 24v max , and when 110v, you will get 30v)
    The unit was set to 220VAC input so the output voltage (when powered w/ 120VAC) was mucked up.
    Make sure to check it and if you are in the USA (or as applicable) set it to 120VAC.

    6. Dr.meter 30V/5A DC Bench Power Supply Single-Output 110V/220V Switchable with Alligator Clip included, US 3-prong Cable,PS305DM

    Feature

    Adjustable outputs: 0-30V and 0-5A Variable controls for both current and voltage outputs
    Automatic cooling fan, overload and short circuit protection
    Can be operated as constant current or constant voltage source
    Full one year warranty All metal construction, compact design
    Alligator to Banana and AC Power Cable Included

    Description


    Dr.meter PS-305DM
    power supply is a kind of continuously adjustable linear DC voltage regulator power supply with high stability, high reliability and low noise. Its output voltage and current can be continuously adjusted. Also it can be both as constant voltage and constant current dc power supply. Its constant voltage and current can be auto-conversion. This low cost and universal power supply can be used in many different areas, from production lines to school use.

    Feature:
    1. Single output, single phase
    2.110V/220 10% input voltage, dual-input voltage.
    3. Output constant current adjustable
    4. Output constant voltage adjustable
    5. 3LED voltage and current display
    6. mA and A converted display which controlled by a button.
    7. Constant voltage and current operation model. C.V and C.C convert automatically
    8. Current limitation protection
    9. Good quality, cost-effective

    Application:
    Suitable for the laboratory, electronic, communication equipments maintenance, products line, scientific research and teaching units

    Specifications:

    Specifications:
    Model: PS-305DM
    Input voltage: 220 V/110V10% 50/60Hz (setting switch at the back)
    Output voltage: 0-30V
    Output current: 0-5A
    mA: 0-990mA
    Operating Temperature: 00C to 400C
    Relative humidity: <80%
    Storage Temperature:-100C to 700C
    Relative humidity: <70%

    Constant voltage state:
    Voltage stability: <0.01%+3mV
    Load stability :< 0.01%+5mV
    Recovery time :< 100S
    Ripple & noise : <1.0mVrms
    Temperature coefficient: < 300PPM/0C

    Constant current state:
    Current stability: < 0.2%+3mA
    Load stability :< 0.2%+3mA
    Ripple & noise :< 3mArms

    7. Yescom 110V AC 30V 10A DC Power Supply Precision Variable Digital Adjustable Clip Cable

    Feature

    Durable steel case
    Constant voltage and constant current operation mode (C.C and C.V. automatic conversion)
    Multiple protections: over voltage (OVP), open circuit (OCP),over temperature (OTP)
    Safe circuit design, high quality key components adopted, the power supply can be used in 24 hours with full load
    Intelligent temperature control fan adjusts the speed according to the load situation, effectively reduce noise and prolong the life of fan

    Description

    Features:

    - Durable steel case
    - Constant voltage and constant current operation mode (C.C and C.V. automatic conversion)
    - Multiple protections: over voltage (OVP), open circuit (OCP),over temperature (OTP)
    - Safe circuit design, high quality key components adopted, the power supply can be used in 24 hours with full load
    - Intelligent temperature control fan adjusts the speed according to the load situation, effectively reduce noise and prolong the life of fan

    Specifications:

    - Input voltage: 110V10% 60Hz
    - Output voltage: DC 0-30V Continuous adjustable
    - Output current: DC 0-10A Continuous adjustable
    - Display resolution: voltage: 0.1V , current 0.1A.
    - Display precision: 1% 1digit
    - Voltage stabilization: 0.05% +1mV
    - Current stabilization: 0.1% +10mA
    - Load stabilization: CV 0.1% +1mV / CC 0.1% +10mA
    - Ripples and noises: CV10mV(RMS)/ CC20mA(RMS)
    - Cooling way:Intelligent temperature control fan. if the temperature is higher than 40F, the fan is started, if less than 95F, the fan will stop which can reduce noise
    - Working conditions: 14F to 104F Relative humidity < 80%
    - Storage conditions: -4F to 176F Relative humidity < 80%
    - Body Dimension(LxWxH): 10 1/4" x 5" x 5 7/8" (26x12.6x14.8cm)
    - Power Supply: 110V AC

    Package Included:

    - 1x DC power supply
    - 1x Power Cord
    - 1x Test Lead Set
    - 1x User Manual

    8. DC Power Supply Variable,LongWei LW-3010D Adjustable Switching Regulated Power Supply Digital,0-30V 0-10A with Alligator Leads US Power Cord

    Feature

    High precision LED digital display, intuitive and obvious
    Temperature control intelligent fan, excellent heat dissipation effect, effectively prolong fan life and reduce noise
    Adopt advanced technology, effectively reduce the weight of power supply, convenient power to move
    Multiple protection functions, limited flow protection (OCP), overtemperature protection (OTP), overpower protection (OPP)
    The plastic panel, more beautiful, the voltage, the current setting coarsely adjust the knob, make the setting more accurate

    Description


    LW-K3010D:
    This serial single output switch power supply is a kind of DC regulated power supply with high efficiency and stability. It can be acted both as constant voltage as well as constant current dc power supply. For this serial power supply,it has perfect protection circuit, can be used in many areas.

    Applications:
    Charge batteries, PCB board manufacturing industry/motors, LED products, and dc fans test/electrofacing, electrolyzation, electronic components aging/laboratory, Electronic equipment, automatic Test Equipment/All other occasions need to use DC Power Supply .

    Specifications:
    Line Voltage100-240VAC,50Hz-60Hz;
    Output voltage: 0-30V
    Output current: 0-10A
    Voltage Display Accuracy0.5%;
    Current Display Accuracy0.5%;
    Efficiency>85%;
    Operating Ambient: -10C to + 60C/ 30%RH to 90% RH

    Voltage Regulation
    Load Regulation(10-100%) 50mV;
    Line Regulation(200-240VAC) 20mV;
    Ripple & Noise(P-P) 50mV;

    Current Regulation
    Load Regulation(10-100%) 20mA;
    Line Regulation(200-240VAC) 20mA;
    Ripple & Noise(P-P) 20mA;

    What You Get:
    Power supply host x 1
    Output power cord x 1
    Input power cord x 1
    User manual x 1

    Notice:
    Do not operate in humid environment.
    Do not operate in flammable and explosive environment.
    Keep the product surface clean and dry.

    9. Tekpower TP3005E DC Adjustable Switching Power Supply 30V 5A Digital Display

    Feature

    Output Voltage: 0- 30V DC with low ripple
    Output Current: 0-5A Current Output with low ripple
    Fine tune and coarse tune for precision adjustment
    It comes with Cable that makes easy to use, air fan to cool the machine for a long time working
    1 Year USA warranty

    Description

    The TekPower TP3005E is a professional DC regulated power supply from TekPower. This is a highly stable, high quality switching power supply with its output continuously adjustable at 0-30V DC and 0-5A. The unit comes with a large LCD displays with back light, providing accurate readout for the voltage and current values. The cooling air fan will automatically start when the heat accumulated inside the case. It has a build in 4A fuse protection and comes with basic 1 year USA warranty.

    Features & Specifications:

    Adjustable outputs: 0-30V and 0-5A Variable controls for both current and voltage outputs
    Input voltage: 110V
    Regulation: CV <= 0.02% + 10 mV
    Load Regulation: CV <= 0.02% + 5mV,
    Ripple noise: CV <= 100 mVp-p
    Protection: Current Limit
    Environment: 0-40C, relative humidity < 80%
    Size: 3.4 X 6.3 X 9 inches
    Weight: 4 lbs
    Warranty: 1 year

    Package:

    TP3005E Power Supply unit
    The Banana Cord
    1 User manual.
    Warranty Registration Card

    10. UCTRONICS Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply Constant Voltage Current Buck Power Converter Power Supply Adjustable Module

    Feature

    This DC 6-55V to 0-50V 5A step down stabilized power supply combine numerical control with analog integration. Its adjustable output range: Voltage is 0-50.00V, step by 0.01V; Current is 0-5.000A, step by 0.001A
    This step down voltage regulator can store M0-M9 10 groups preset value when power-down. Keep pressing M1 or M2 more than 2s, the corresponding data group will be extracted and displayed on the right of the screen
    The 1.44 in colorful LCD monitor can display the preset voltage, input voltage, output voltage, the preset current, output current, output power at the same time. On the output state remind area, you can monitor that the key is locked or not, output is normal or not, the state of constant voltage and constant current, the current data set prompt and output opens or not
    There are four button-"M1", "M2", "SET" and "ON/OFF", and a coding potentiometer. Can be used for to set the output voltage and output current on the main display interface, set the data on the data setting interface, set the protection value, adjust the brightness of screen, extract Shortcut storage data group M1 or M2, etc.
    Note: When the output of this step down voltage regulator is used for charging a battery or connect a capacitive load, there must be a diode in series with the output-anode, otherwise the regulator will be damaged

    Description

    Pattern Name: Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply

    Features:
    Input voltage: 6-55V
    Output voltage: 0V-50.00V
    Output current: 0-5.000A
    Output power: 0-250W
    Weight: 113g
    Size: 79 x 43 x 48mm
    Cutting size: 71 x 39mm
    Output voltage resolution: 0.01V
    Output current resolution: 0.001A
    Output Voltage accuracy: +/- (0.5% + 1 digit)
    Output Current accuracy: +/- (0.5% + 2 digits)
    Note: Input voltage must 1.1 times higher than the output voltage.
    When large current circumstances, pay attention to heat elimination.

    Wiring:
    IN+: Input positive
    IN-: Input negative
    OUT+: Output positive
    OUT-: Output negative
    Note: Input voltage maximum is 55V, if input is greater than this limit may damage the meter.
    Do not use the meter in AC power supply, and wiring should be exactly the same as the wiring diagram, or else it will cause damage.

    Package Including:
    1pcs Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply

    Conclusion

    By our suggestions above, we hope that you can found the best benchtop power supply for you. Please don't forget to share your experience by comment in this post. Thank you!