Top 10 Dcs with Adjustables
for May 2022

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1
9.9
SCORE
Kungber DC Power Supply Variable, 30V 10A Adjustable Switching Regulated DC Bench Linear Power Supply with 4-Digits LED Power Display 5V2A USB Output, Coarse and Fine Adjustments with Alligator Leads

Kungber DC Power Supply Variable

30V 10A Adjustable Switching Regulated DC Bench Linear Power Supply with 4-Digits LED Power Display 5V2A USB Output, Coarse and Fine Adjustments with Alligator Leads

by Kungber
What We like

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.

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Product Features

  • 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.
  • 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.
  • High Precision with 4-Digit and Power Display: Kungber 30V 10A DC benchtoppower 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 backlit4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions.
  • What You Get - 1 x Kungber SPS3010 DC Power Supply, 1 x Output Power Cord , 1x Input Power Cord, 1 x User Manual

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. High precision with 4-digit and power display: Kungber 30v 10a dc benchtoppower 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 backlit4-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. What you get - 1 x Kungber sps3010 dc power supply, 1 x output power cord , 1x input power cord, 1 x user manual

2
9.6
SCORE
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

Wanptek 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

by Wanptek
What We like

Wide ApplicationsThe 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.

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Product Features

  • 5V/3.6A USB InterfaceThe 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.
  • 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.
  • Short Circuit AlarmIn 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.

Short circuit alarmin 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. 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 interfacethe 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.

3
9.3
SCORE
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

LONGWEI 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

by LongWei Ltd.
What We like

High Precision, Wide RangeLONGWEI 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.

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Product Features

  • Excellent Heat DissipationEquipped 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.
  • High Quality with Essential SafetySafety 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!
  • Various ApplicationThis 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.

Excellent heat dissipationequipped 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 applicationthis 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. High quality with essential safetysafety 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!

4
9.2
SCORE
Adjustable DC Power Supply (0-30 V 0-5 A) with Output Enable/Disable Button HANMATEK HM305 Mini Variable Switching Digital Bench Power Supply

Adjustable DC Power Supply (0-30 V 0-5 A) with Output Enable/Disable Button HANMATEK HM305 Mini Variable Switching Digital Bench Power Supply

by HANMATEK
What We like

Safe and Reliable to Use - Safety is our priority. The built-in fan low arc noise & low ripple,The power supply is durable and compact. Productive work since the power supply comes multiple protection of Over-voltage, over-current, over-power, over-temperature, short-circuit powerful protection function.

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Product Features

  • Auto Power Calculation - Intelligently calculates output voltage and current into power and displays the value on its large screen.; decimal point automatic carry & LED 4 digits display of voltage function displays.current and powe; The keyboard can be locked to prevent misoperation.
  • Package Included - 1 * HM305 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.
  • Wide Application - Applied in production line test, electrical maintenance, aging products, battery charging, laboratories scientific research and teaching and all other need DC regulated power supply.,Nice gift choice for DIY electronics hobbyist.
  • Output switch control - Sometimes we need to switch between different voltage or current outputs, but we often forget to unplug the previous instrument and cause the instrument to burn out.,which often occurs in the maintenance.Output key is designed to solve this problem.By pressing the Output key, the required voltage and current can be adjusted without the actual output power,Which makes this DC power supply more secure and more energy efficient.

Wide application - applied in production line test, electrical maintenance, aging products, battery charging, laboratories scientific research and teaching and all other need dc regulated power supply.,nice gift choice for diy electronics hobbyist. Output switch control - sometimes we need to switch between different voltage or current outputs, but we often forget to unplug the previous instrument and cause the instrument to burn out.,which often occurs in the maintenance.output key is designed to solve this problem.by pressing the output key, the required voltage and current can be adjusted without the actual output power,which makes this dc power supply more secure and more energy efficient. Auto power calculation - intelligently calculates output voltage and current into power and displays the value on its large screen.; decimal point automatic carry & led 4 digits display of voltage function displays.current and powe; the keyboard can be locked to prevent misoperation. Package included - 1 * hm305 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.

5
8.9
SCORE
DC Power Supply Adjustable (30V 10A), Eventek Variable Switching Regulated Digital Power Supply with Alligator Leads US Power Cord (30V 10A)

Eventek DC Power Supply Adjustable (30V 10A)

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

by eventek
What We like

Intelligent temperature control with built-in thermo-sensor, effectively reduce noise and prolong the life of product

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Product Features

  • 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
  • Multiple protections: limit current protection, thermal protection, voltage overload protection, short-circuit protection

Constant voltage and current operation mode (c.c and c.v. automatic conversion);small volume,light weight and stable output 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 Multiple protections: limit current protection, thermal protection, voltage overload protection, short-circuit protection

6
8.5
SCORE
DC Power Supply Variable(0-30 V 0-5 A), Eventek KPS305D Adjustable Switching Regulated Power Supply Digital, with Alligator Leads US Power Cord

Eventek DC Power Supply Variable(0-30 V 0-5 A)

Eventek KPS305D Adjustable Switching Regulated Power Supply Digital, with Alligator Leads US Power Cord

by Eventek
What We like

Intelligent temperature control with built-in thermo-sensor, effectively reduce noise and prolong the life of product

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Product Features

  • Multiple protections: limit current protection, thermal protection, voltage overload protection, short-circuit protection
  • Constant voltage and current operation mode (C.C and C.V. automatic conversion); Light weight with heavy Output
  • 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 Multiple protections: limit current protection, thermal protection, voltage overload protection, short-circuit protection 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

7
7.9
SCORE
JOOY-TASK Dc Power Supply Variable 30V 3A for Mobilephone Repair Adjustable Power Supply with Banana Aligator Leads&Output Lines

JOOY-TASK Dc Power Supply Variable 30V 3A for Mobilephone Repair Adjustable Power Supply with Banana Aligator Leads&Output Lines

by Jooy-task
What We like

Widely Repair The Mobilephone & Constant Voltage & Constant Current Operation &Current & 5V/2A USB Mode Which It is convenient to provide power to phone . : The easy-to-use rotary knob of coarse and fine could adjust the data of voltage and current digit by digit, which allows you to set the desired output resolution quickly and easily in 30V 03A, This adjustable power supply could charge the device which you want to repair.

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Product Features

  • Package Included - 1 * JT3003E DC Power supply host , 1 * Output power cord , 1* Input power cord , 1 * User manual.
  • Compact&LightweightThe Structure of JT3003E is reasonable , neat , light and reliable , easy to carry with .
  • Safe&Works Stable of JT3003E DC Power Supply : Use a single-chip technology and it works very stable and the performance of JT3003E is much better than other DC power s supplies on the same level .It can works stable at full power condition. The ripple and noise is less than 5mV. Wide voltage input range avoid to switch for different power grid .
  • High Precision of this Dc Power SupplyThe resolution of current display is 1mA, the resolution of voltage display is 10mV ,The 4 LED digital display provides a more accurate readout for the voltage and current value, even be visible easily in the low-light conditions.

Safe&works stable of jt3003e dc power supply : use a single-chip technology and it works very stable and the performance of jt3003e is much better than other dc power s supplies on the same level .it can works stable at full power condition. the ripple and noise is less than 5mv. wide voltage input range avoid to switch for different power grid . Package included - 1 * jt3003e dc power supply host , 1 * output power cord , 1* input power cord , 1 * user manual. High precision of this dc power supplythe resolution of current display is 1ma, the resolution of voltage display is 10mv ,the 4 led digital display provides a more accurate readout for the voltage and current value, even be visible easily in the low-light conditions. Compact&lightweightthe structure of jt3003e is reasonable , neat , light and reliable , easy to carry with .

8
7.3
SCORE
DC Power Supply Variable 30V 10A, 4-Digital LED Display, Precision Adjustable Regulated Switching Power Supply Digital with Alligator Leads US Power Cord 

LONGWEI DC Power Supply Variable 30V 10A

4-Digital LED Display, Precision Adjustable Regulated Switching Power Supply Digital with Alligator Leads US Power Cord 

by LongWei Ltd.
What We like

High Precision, Wide RangeLONGWEI DC power supply is a professional power supply regulation device that designed with crystal clear, backlit 4-digit LED display of voltage, current, and power. Precise accuracy: 00.01V and 00.01A. You can easily tune it within 0-30V and 0-10A. Very durable and easy to observe even in low light conditions.

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Product Features

  • High Quality with Essential SafetySafety 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 DissipationEquipped 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.

High quality with essential safetysafety 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 dissipationequipped 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.

9
7.3
SCORE
DC Power Supply Variable, 30V 10A Bench Power Supply with Output Switch, Short Circuit Alarm, Adjustable Switching Regulated Power Supply with 4-Digits LED Power Display, Encoder Adjustment Knob

Wanptek DC Power Supply Variable

30V 10A Bench Power Supply with Output Switch, Short Circuit Alarm, Adjustable Switching Regulated Power Supply with 4-Digits LED Power Display, Encoder Adjustment Knob

by Wanptek
What We like

Output switch control In the process of using the variable power supply, you can press the output button at any time to turn on or turn off the output of the power supply. This design can prevent you from damaging the device because you forget to disconnect the output. Effectively improve the efficiency of your experiment.

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Product Features

  • Precise four-digit screen display The bright digital display allows you to use the bench power supply in a dim environment. The screen brightness is adjustable. And it will display three values of voltage, current, and power at the same time. The data is accurate to 0.01V and 0.001A.
  • Short Circuit Alarm When the load equipment fails and short-circuits, the adjustable power supply will emit a buzzer alarm. Prevent excessive output current from damaging the load equipment. In addition, it has multiple protections, such as grounding wire, leakage protection, thermal protection, voltage overload, power supply overload, etc.
  • Highly Accurate Encoder AdjustmentJust press the voltage or current encoder knob of the DC power supply to switch between each digit, and then turn the knob to set each digit in the range of 0-9. You can efficiently and accurately set the voltage and current data you need. It is more precise and convenient than traditional knobs.

Short circuit alarm when the load equipment fails and short-circuits, the adjustable power supply will emit a buzzer alarm. prevent excessive output current from damaging the load equipment. in addition, it has multiple protections, such as grounding wire, leakage protection, thermal protection, voltage overload, power supply overload, etc. Precise four-digit screen display the bright digital display allows you to use the bench power supply in a dim environment. the screen brightness is adjustable. and it will display three values of voltage, current, and power at the same time. the data is accurate to 0.01v and 0.001a. Highly accurate encoder adjustmentjust press the voltage or current encoder knob of the dc power supply to switch between each digit, and then turn the knob to set each digit in the range of 0-9. you can efficiently and accurately set the voltage and current data you need. it is more precise and convenient than traditional knobs.

10
7.3
SCORE
DC Power Supply, Dr.meter 30V 5A Adjustable Switching Regulated DC Bench Linear Power Supply with Alligator Leads and 3 LED Digital Display, 110V/220V Variable Power Supply with US 3-Prong Cable

Dr.meter DC Power Supply

Dr.meter 30V 5A Adjustable Switching Regulated DC Bench Linear Power Supply with Alligator Leads and 3 LED Digital Display, 110V/220V Variable Power Supply with US 3-Prong Cable

by Dr.meter
What We like

Multiple ProtectionsUpgrade Elastic Handle, easy to carry, Automatic cooling fan, exhaust fan protection, overload and short circuit protection to prolong service life of product.

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Product Features

  • Wide ApplicationSuitable for the laboratory, electronic, communication equipments maintenance, products line, scientific research and teaching units
  • Auto ConversionCurrent can be converted from ''A'' to ''mA'' though The Movement of Decimal Point. It can be operated as constant current or constant voltage source.
  • DC regulated power supply0-30 Volts and 0-5 Amp outpouts with alligator clip leads, 3 LED digital display.
  • High StabilityVoltage stability:

Dc regulated power supply0-30 volts and 0-5 amp outpouts with alligator clip leads, 3 led digital display. Wide applicationsuitable for the laboratory, electronic, communication equipments maintenance, products line, scientific research and teaching units Auto conversioncurrent can be converted from ''a'' to ''ma'' though the movement of decimal point. it can be operated as constant current or constant voltage source. High stabilityvoltage stability:

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