Best Benchtop Power Supply in 2022 [*Top Picks*]

4119 Reviews Scanned

• Bestseller #1

  Kungber DC Power Supply Variable, 30V 10A Adjustable Switching Regulated DC Bench Linear Power Supply with 4-Digits LED Power Display 5V/2A USB Output, Coarse and Fine Adjustments with Alligator Leads (112)

  High Precision with 4-Digit and Power Display: Kungber 30V 10A DC benchtop power supply is a professional power supply regulation device that has a high resolution of 0.01V and 0.01A. You can easily tune it within 0-30V and 0-10A. The backlit 4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions. Constant Voltage (C.V.) & Current (C.C.) Mode Automatic Conversion: Easy to dial in the desired voltage and current with the coarse and fine adjustment knob. The constant voltage/current mode can automatically switch with load changes. The conversion of constant voltage and constant current is indicated by the LED display on the front panel. Compact and Various Application: This DC power supply is less than 3 lb and measures only 9.5 x 3.4 x 6.1 inches, applies for laboratory, school, repair, electrolyzation, electroplate, brush plating, lamp test, aging testing, battery charge, home DIY and other requirements. 5V/2A USB Interface could charge your cellphone and provide power for the device which you want to repair, no worry about running out of power. Reliable and Safety: Many safety measures are adopt in Kungber DC bench power supply- Grounding wire, Leakage protection, Thermal protection, Voltage overload, Power overload and Short-circuit protection. Kungber power supply use premium electronic components, provide reliable working status and prolong the life of product effectively. When the working temperature is more than 122℉/50℃,the intelligent thermal protection will active the cooling fan to lower the temperature according to the load. What You Get - 1 x Kungber SPS3010 Variable DC Power Supply, 1 set of Output Power Cords , 1x Input Power Cord, 1 x User Manual, and Technical Support from Kungber.

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• Bestseller #1

  DC Power Supply Variable, 30V 10A Bench Power Supply with 4-Digits LED Display, USB Interface, Adjustable Regulated Switching Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button (19)

  【High-precision encoder knob】Different from general knobs, this DC power supply has a precise encoder knob. You can press the knob to switch each digit, and then turn the knob to customize each digit in the range of 0-9. Set the voltage or current you want more accurately. 【Output Enable/Disable Button】In the process of using the bench power supply, Output button can prevent us from forgetting to turn off the output and causing damage to the load. Just press this button to turn on or turn off the output of the power supply. This makes it more convenient for you to use the power supply. 【Overcurrent Protection】When the OCP function is turned on, if the load equipment is short-circuited during operation, the adjustable power supply will automatically stop output and send a buzzer to alert the user. Protect the adjustable power supply and load from damage. 【Precise 4-digit LED Display】The variable power supply with a high-definition 4-digit display, which can display three values of voltage, current and power at the same time. The data is accurate to 0.01V and 0.001A. The bright white digital display helps you to operate as usual in the dark, and you can adjust the brightness of the screen as needed. 【Compact and Lightweight】The measures of the variable dc power supply is only 7.51*3.56*5.81inch and the weight is only 2.47 pounds, which saves more space on your workbench and is convenient for you to carry when you need it. NANKADF dc power supply is the best choice for beginners or professional electricians.

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• Bestseller #1

  Siglent Technologies SPD3303X-E Triple Output Power Supply (386)

  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

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• Bestseller #1

  DC Power Supply Variable, Adjustable Switching Regulated Power Supply (0-30 V 0-10 A) with 4-Digits LED Display, 5V/3.6A USB Quick-Charge Interface, Short Circuit Alarm, Coarse and Fine Adjustments (85)

  【Automatic Power Calculation】 Different from other dc power supplies, WANPTEK DPS3010U dc power supply can automatically calculate the power value according to the voltage and current, but also can simultaneously display the 4-digit voltage, current and power values, numerical accuracy of 0.01V and 0.001A. 【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired. 【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload. 【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair DIY, communication equipment maintenance, products line, scientific research and teaching units. 【Packaging and After-Sales】1 x power host, 1 x output power cord, 1 x input power cord, 1 x user manual, We provide lifetime technical support. If you are not satisfied with the product you received, please feel free to contact us.

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• Bestseller #1

  DC Power Supply 30 V 5 A , Adjustable Switching Regulated Power Supply with 4-Digit LED Display,110V/220V Variable Power Supply with Alligator Leads Desoldering (27)

  〖Higher Sensitivity & Precision〗：Adjustable 30V 5A DC Power Supply is designed for laboratories, schools.Its output voltage and output current could be continuously adjusted between zero and nominal value. It can precisely sense the location of voltage and current Good power stability and ripple coefficient, it can precisely sense the location of voltage and current. 〖Excellent Heat Dissipation〗: Equipped with a big fan controlled by intelligent temperature control sensor and multiple heat radiation grooves on both sides, The 30V/5A DC power supply can quickly disperse heat during operation, greatly improving its working efficiency and lifespan! 〖Multiple Protections〗：In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. DC power supply also have safety protections such as overvoltage, overcurrent, overheating and overload. 〖Wide Applications〗：The DC power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair DIY, communication equipment maintenance, products line, scientific research and teaching units. 〖Package Included〗：1 * DC Power supply host , 1 * Output power cord , 1* Input power cord , 1 * User manual.High quality material adopted and make it more stable output, small volume, light weight, easy to carry and move and easy operation

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• Bestseller #1

  Tekpower TP-3005D-3 Digital Variable Triple Outputs Linear-Type DC Power Supply, 0-30 Volts @ 0-5 Amps (1114)

  High precision DC regulated power supply with triple outputs, 0- 30 volts and 0-5 amps Two operational modes: constant voltage and constant current Cooling fan automatic activation by built-in thermo-sensor Back-lit LCD Display with a 0.1V and 0.01A resolution 1-year warranty

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• Bestseller #1

  DC Power Supply Variable,0-30 V / 0-10 A LW-K3010D Adjustable Switching Regulated Power Supply Digital,with Alligator Leads US Power Cord Used for Spectrophotometer and lab Equipment Repair (54)

  ◆【High Precision, Wide Range】LONGWEI DC power supply is a professional power supply regulation device that designed with crystal clear, backlit 3-digit LED display of voltage, current, and power. Precise accuracy: 00.1V and 0.01A. You can easily tune it within 0-30V and 0-10A. Very durable and easy to observe even in low light conditions. ◆【High Quality with Essential Safety】Safety is our priority. Grounding wire, The power supply takes the function of limited flow protection, overpower protection, over temperature protection, voltage overload protection. greatly improving its working efficiency and lifespan! ◆【Excellent Heat Dissipation】Equipped with a big fan controlled by intelligent temperature control sensor and multiple heat radiation grooves on both sides, Intelligent fan offers excellent heat dissipation effect, which reduces the noise and prolongs the life of product effectively. ◆【Various Application】This one weighs less than 2kgs and measures only 2.7*8.6*6.3inches, Applies for laboratory, school, home, electronic repair DIY, aging test and other requirements thanks to complete test probes and output cable with alligator clips. ◆【What You Get】1 x K3010D DC power supply, 1 x output power cord, 1 x Input power cord, 1 x test probes, 1 x User manual. (Buy Now Risk-Free with 30 days Free Of Return,we provide 12-Month after sale service, lifetime technical support. Please feel free to contact us if you have any concerns,we will reply to you to solve your problem in 24H.)

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• Bestseller #1

  NICE-POWER DC Power Supply Variable: 30V 10A Adjustable Switching Regulated High Precision 4-Digits LCD Display 5V/2A USB Port Output & Input Power Cord Bench Lab Power Supplies (10)

  【High Precision, Low Ripple, Big LED Display, Output Switch Control】NICE-POWER 30V 10A DC power supply is a professional power supply regulator with high accuracy of 0.01V and 0.001A, low ripple of DC power supply. The backlit 4-digits LED display has the advantage of high resolution, which can be easily viewed even if you are in low-light conditions . Adjust the required voltage and current through the output switch button without the actual output power, safer and more energy efficient. 【CE & FCC Certification, Multiple Protection, Various Application】Lab power supplies have passed CE & FCC Certification. 30V DC power supply has multiple protections: overvoltage protection, overcurrent protection, overheating protection, over power protection, short circuit protection, leakage protection. DC power supply is suitable for LiFePO4 battery charging, arduino project, laboratories, schools, electronic maintenance , electrolysis, electroplating, lamp test, aging test, DIY, etc. 【Front Power Switch , Stable Vertical Design, Lightweight and Portable】The front power switch is very convenient. Bench power supply adopts stable vertical design, DC power supply has shock absorber rubber feet at the bottom, so it will be safer and more stable during use. DC power supply is very light and portable, with a size of only 3.3 x 9.4 x 6.1 inches and a weight of only 2.6 pounds. You can easily take the DC power supply to work. 【5V/2A USB Port, Intelligent Cooling Fan, High-quality Materials】The DC power supply is equipped with a 5V/2A USB port, you can charge your mobile phone, tablet or other devices. When the working temperature of the DC power supply exceeds 122℉/50℃, the cooling fan is turned on intelligently, which can effectively dissipate heat. , Reduce working noise and prolong the service life of equipment. High-quality materials make our DC power supply more durable. 【Quality Check and Terms of Service】You will get DC Power Supply*1, Output Power Cord*1, Input Power Cord*1, User Manual*1 by purchasing DC power supply. We will inspect all DC power supply and accessories before shipment to ensure that the quality of the products received by each customer is good. We provide a 12-month warranty policy. If you have any questions about our DC power supply, please feel free to contact us, we will response back within 24 hours.

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• Bestseller #1

  DC Power Supply Adjustable 30V 10A, Eventek Variable Switching Regulated Digital Power Supply with Alligator Leads US Power Cord (2141)

  DC Power Supply Adjustable: 0-30 volts and 0-10 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);small volume,light weight and stable 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 24 Months Limited Guarantee for you !

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• Bestseller #1

  Siglent Technologies SPD3303C DC Power Supply (386)

  Triple output 220 watts Usb interface. Easy power software included.Two sets of adjustable voltage and a fixed set of selectable voltages Four displays. Voltage and current readout for Ch1 & Ch2 Output modes: series, independent, parallel

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