Adjustable Voltage Regulator

10 Best Adjustable Voltage Regulator To Buy (Our Recommendations)

DC DC Buck Boost Converter Variable Voltage Regulator CC CV 0.5-30V 4A 5V 6V 12V 24V Power Module Adjustable Voltage Regulated Laboratory Power Supply

 in stock
as of July 2, 2022 9:23 am


  • input voltage range is DC 5-30V; output voltage range is DC 0.5-30V, can be arbitrary adjustable; output current can be 3A for long term use, if enhance heat dissipation, it can reach 4A; max output power is 35W, if enhance dissipation, it can reach 50W
  • LCD displays input/output voltage, output current/output power/output capacity/output time.The module can be set to ON/OFF by default
  • Safe Protection: the module is with Anti-reverse connection protection of input end, so that it will not burn out when there is reverse connection.Anti-backflow protection at the output end. No need to add anti-backflow diode when charging. Multiple software protection mechanisms are available, and the protection threshold is adjustable. When the working parameters of the module exceed the protection threshold, the output will be automatically turned off
  • Application: the volt conversion board can be used as an ordinary buck/Boost module with over-current protection; used as a high-power LED constant current driver module; DIY a solar power controller, Battery Charging
  • Output ripple is small and πfilter is available.Thick heat sink .Buck-boost Integrated

DROK Waterproof DC Buck Converter Voltage Regulator 8-22V to 3-15V 5V 12V 3A Adjustable Output Power Supply Transformer Step-Down Volt Module Board for Car Auto Vehicle Motor Regulated SR

$14.18  in stock
2 new from $13.99
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as of July 2, 2022 9:23 am


  • Uses synchronous rectification technology, has high conversion efficiency and stable performance; The input should be at least 3V higher than output.
  • With potentiometer on the bottom, which allows you adjust the accuracy with the mini screw, but ensures you won't easily change its setting when mounted.
  • Fully sealed, outer enclosure acts as a heat sink, specially made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable.
  • With reversed-connection protection, over-current protection, over-heating protection and over-voltage protection, hence is safe to use.
  • Perfect for electronic hobby project, wide application, you can use it on radio, Car Audio, LED display, motor, cell phone, etc.

Valefod 6 Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to 1.5-35V Buck Converter DIY Power Supply Step-Down Module

$10.99  in stock
2 new from $10.99
Free shipping
as of July 2, 2022 9:23 am


  • 【High Precision】The buck converter consists of 36u thickened circuit boards, high-Q inductance with output LED indicator, and superior solid-state capacitors that can effectively filter out high frequency noise. Suitable for various electronic projects.
  • 【Input Voltage】DC 3V to 40V (input voltage must be 1.5V higher than the output voltage, no boost).
  • 【Output Voltage】DC 1.5V to 35V voltage is continuously adjustable, maximum output current is 3A.
  • 【Mini Size】45 * 23 * 14 mm (with potentiometer). 6pcs included.
  • 【Easy to DIY】Connect to power source, using a mini screwdriver to increase or decrease output voltage by adjusting the screw on the blue potentiometer and monitor voltage with multimeter to get the needed voltage, clockwise to step up voltage and counterclockwise to step-down voltage. (Factory default stays a high voltage, you need to contrarotate about 7-15 circles before the voltage starts ramping down, 1 circle means +/- 1V)

Buck Boost Converter Adjustable Voltage Regulator DC 6V-36V to DC 0.6V-36V, Step Up Down Power Supply, Voltage Regulator Constant Current Reverse Protection Short Circuit Protection Regulator Module

$22.99  in stock
as of July 2, 2022 9:23 am


  • Buck boost converter input voltage range is DC6V-36V, adjust output voltage range is DC0.6V-36V,step by 0.01V, output current range is 0-5A,step by 0.001A, Which can display the power interface, Capacity interface,Voltage and current curves interface,system parameter setting interface.
  • Step up down power supply adjust converter 5 diaplay pages, input/out voltage(V), current (A), temperature (T), power (W), electric capacity (AH), electric quantity (WH), running time, voltage and current graph, system and power parameters.
  • Can flip or rotate voltage regulator display on this power supply unit, change the color of the background and parameters and switch the day/night display mode, allows to set volts and limit the current, power on off and accurate voltage setting return after power down.
  • Adjustable buck boost converter application: compact and powerful, on the go variable power supply or LED driver; DIY lab power supply.
  • The power supply step down converter support multiple functions.such as over-voltage protection,over-current protection,over-power protection,low-voltage protection, over-temperature protection, reverse protection, and short circuit protection, and so on.

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

 in stock
3 used from $57.14
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as of July 2, 2022 9:23 am


  • 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.

RioRand PWM DC Motor Speed Controller Switch Control 7-70V 30A Fuse

$17.99  in stock
as of July 2, 2022 9:23 am


  • Wide voltage input 7-70V, maximum output current 30A .Adjustable potentiometer soft cable(about 15CM) can be separated, with running stop brake function
  • Can be use on long hours of work: Circuit optimization design, stable Adjust the motor smooth no noise no vibration, with power indication, wide duty cycle adjustment range
  • Using imported high-voltage MOS tube, three pressure 100V high-frequency low-resistance capacitors, automotive fuses
  • Adjust the motor smooth no noise no vibration, with power indication, wide duty cycle adjustment range
  • PWM Frequency and Share Space: 12KHZ ,The knob has a switch function, which can control the motor speed from 0% to 100%.

Adjustable Voltage Regulator DC, DROK Buck Boost Converter 6.0V-36V 9v 12v to DC 0.6-36V 24v 5A Power Supply Panel, Constant Current Volt Step Up Down Module

$23.64  in stock
as of July 2, 2022 9:23 am


  • Variable Power Supply --- input voltage range DC 6.0-36V, output voltage range DC 0.6-36V, max output current 5A, max output power 80W.
  • Easy to Use --- allows to set volts and limit the current, power on off and accurate voltage setting return after power down.
  • Application --- a compact and powerful, on the go variable power supply or LED driver; DIY lab power supply.
  • Digital Display --- input or out voltage, current, temperature, power, electric capacity, electric quantity, running time, voltage and current curve, system and power parameters.
  • Memory Data --- 10 data groups of M0-M9 can be stored. Default will be stored in data group M0 and M1/M2 data group can be quickly called up.

HiLetgo 2pcs LM2596 Adjustable DC-DC Step Down Buck Power Convert Module 4.0-40V Input to 1.25-37V Output with LED Voltmeter Display

$10.49  in stock
as of July 2, 2022 9:23 am


  • LM2596 DC-DC Buck Step-down Power Converter Module
  • 4.0-40V to 1.25-37V LED Voltmeter
  • output voltage range of 1.25V ~ 37V

DROK DC Buck Converter, 5.3V-32V to 1.2V-32V 12A Adjustable Power Supply, 5v 9v 12v 24V 30V 32V Step Down Voltage Regulator with LCD Display Volt Transformer Reducer CC CV for RV Solar Panel Golf Cart

$17.49  in stock
2 new from $17.49
Free shipping
as of July 2, 2022 9:23 am


  • 【Parameter】 DROK Power Supply Module input volt range is DC 5.3-32V; Output volt range is DC 1.2-32V which is variable. Output current can reach to 8A and Output Power can reach to 120W for long-time use. If enhance heat dissipation, this converter can reach 12A and 160W output.
  • 【Characteristics】 This Buck Converter is equipped with LCD Display, Acrylic Case and Heat Sink. LCD Screen can display input/output voltage, output current and output power. Voltage precision is 0.05V, current precision is 0.005A. Acrylic case can keep the converter board away from dust, which is protective. Heat Sink can keep module 120W for long-time using in a low temperature. If you want to reach maximum power 160W, please improve heat dissipation.
  • 【Easy Operation】 A user manual will be included in package, which can help you easier to operate. The button can control ouput voltage ON/OFF status, and you can set the default output state is ON/OFF for the next time. The potentiometer can help you to adjust volt amp in a simple and fast way.
  • 【Protection】 It has reverse-connect protection, short circuit protection and over current protection. When you connect the input wire reversely or short circuit, the module will not burn. And roate the CC potentiometer to set over current protection value you want.
  • 【Application】 The volt conversion board can be used for 5v 6v 9v 12v 24V 30V 32V 3a 5a 10a devices, like solar panel, lab, experiment, RV, All-Terrain Vehicle, car, battery charger, LED stripes, etc.

Adjustable Voltage Regulator,LM317 Adjustable Voltage Regulator Power Supplement Board Digital Voltage Display

$14.79  in stock
2 new from $14.79
Free shipping
as of July 2, 2022 9:23 am


  • 【function】--317 Voltage Regulator can be connected to the load within 2A, AC or DC input voltage, the output voltage is DC 1.25V-28V continuously adjustable.
  • 【internal configuration】--Using duplex adjustment potentiometer.Military grade double-sided circuit board.Adopt high-frequency power supplement dedicated capacitor, more stable performance.
  • 【digital tubes】--Add digital tubes to display output voltage, the output voltage is clear at a glance.
  • 【heat dissipation】--With a heat sink, it can dissipate heat quickly when the product works to cause temperature rise, and the heat dissipation effect is good.
  • 【warm tips for you】--Because the working voltage of digital tubes is 4.5V, it displays normally only when the voltage is higher than 4.5V.When inputting 5V, it can output 1.25-2V and won't output a higher voltage.

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