Top 10 120V DC Power Supply Variable – Power Converters

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1. DROK

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DROK 48V Power Supply, Adjustable Variable LED Adapter Regulated 5V 12V 24V 30V 36V 48V Volt Voltage Transformer 10A Amp Charger for Lab CCTV, AC 110V/220V to DC 0-48V 10A 480W Buck Converter

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DROK #ad - Only to rotate the potentiometer can adjust output parameter. Heat sink and cooling fan can control the temperature in a safe range. Easy operation this supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient.

The led screen can clearly display the output voltage. Note——the maximum current is 10A. Make sure to use the devices which is below 10A. No matter how many voltage is adjusted, the current is 10A and can not be regulated. The voltage precision is 01v. During the running power is high, the cooling fan will automatically activate with little noise. Protection over load protection, Over Voltage Protection, short circuit protection, before using, which can protect your device from damage.

It can be used to device of 2A 3A 5A 10A. Wide application this power supply has variable application. Volt adjustment input voltage can be 110v or 220v. Wide adjustable output voltage range: dc 0-48v. The potentiometer is inset into the supply. This supply is suitable for 5v 9v 12v 24v 30v 36v 48v devices.
BrandDROK #ad
ManufacturerDROK #ad
Height1.97 Inches
Length8.46 Inches
Weight0 Pounds
Width4.45 Inches
Part Number200570

2. Pyramid

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7 Amp Regulated Home Lab Benchtop AC-DC Converter Power Supply for CB Radio, Pyramid PSU990KX, HAM w/ 13.8 Volt DC 120V AC Supply, Dual USB, Universal Compact Bench Power Supply, Cigarette Lighter

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Pyramid #ad - Provides reliable ac-to-DC power conversion w/ constant source of DC voltage. 7 amp: the simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Used to test device/equipment operation and performance.

Switch-activated power control eliminates the need for an external battery or additional power source. It has rugged and durable housing construction & cabinet heatsink. Works w/ cellular phones, HAM radio, scanner, CB radio, etc. Constant amperage is up to 7 amp w/ 4. 5amp continuous, power output of 13. 8v dc and 120 volt power supply. Cigarette lighter: this desktop bench power supply is equipped w/ cigarette lighter, a power socket adapter to provide power to portable devices.

Short-circuit protection: this psu is equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected electronics. Converts ac to dc: the bench dc power supply features ac-dc converter variable linear / regulated design. Dual usb ports: this workbench variable power converter features two 2 USB charge ports and universal banana plug connection terminals compatible w/ a wide range of device/equipment.
BrandPyramid #ad
ManufacturerPyramid #ad
Height2.8 Inches
Length7.7 Inches
Weight1 Pounds
Width4.9 Inches
Part NumberPSU990KX
ModelPSU990KX

3. DROK

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Variable Adjustable Adapter Regulated 5V 12V 24V Volt Switching Voltage LED Transformer 20A Amp Charger for Computer Lab, AC 110V/220V to DC 0-24V 20A 480W Buck Converter, DROK 24V Power Supply

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DROK #ad - Easy operation this supply is no need to install, it can be used to adjust output, after connecting wire, which is convenient. Wide adjustable output voltage range: dc 0-24v. All of our item has one year long time warranty guarantee.

Make sure to use the devices which is below 20A. No matter how many voltage is adjusted, the current is 20A and can not be regulated. The potentiometer is inset into the supply. Note: the default input voltage is 220v, before using, Short Circuit Protection, Over Voltage Protection, please switching the input voltage to 110V/220V according to your city voltage. This supply is suitable for 5v 9v 12v 24v devices. Wide application this power supply has variable application.

The led screen can clearly display the output voltage. Only to rotate the potentiometer can adjust output parameter. During the running power is high, the cooling fan will automatically activate with little noise. It can be used to device of 2a 3A 5A 10A 12A 15A 20A. Note——the maximum current is 20A. It can be used as a 5v 12v 24v power supply for RV, Lab, Computer, Labtop, Car, CCTV, etc. But the actual current is depended on the load.
BrandDROK #ad
ManufacturerDROK #ad
Part Number200571

4. Valley Enterprises

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Valley Enterprises Powerwerx Variable 30 Amp Desktop DC Power Supply with Digital Meters SPS-30DM

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Valley Enterprises #ad - Output amperage: 25 continuous, 28 surge. User selectable variable output voltage from 5~16 VDC by adjusting the front mounted knob or fixed output at 14. 1 vdc. Input range: 100-120 vac or 200-240 vac, 50/60Hz User switchable. Dual metered digital Amps/Volts Power Supply. Rear connection: 1/4 inch binding posts that also accept banana plugs or compression connections.
BrandValley Enterprises #ad
ManufacturerPowerwerx #ad
Weight3.7 Pounds
Part NumberSPS-30DM
ModelSPS-30DM

5. MYSWEETY

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MYSWEETY AC 110V-220V to DC 0-48V Module Switching Power Supply Digital Display 480W Voltage Regulator Transformer Built in Cooling Fan, Adjustable DC Power Voltage Converter

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MYSWEETY #ad - If you use inductive loads such as motors, etc. Please pay attention to the parameters of the motor's maximum starting current and locked-rotor current. Led display shows you real-time voltage, which makes it more convenient for you to adjust voltage. Protection function: over load protection, short circuit protection, over voltage protection, please select the input voltage 110V/220V according to your local voltage, to avoid damaging, this protection will protect your load well.

Note: before using, switch is at right side of the item. Equipped with temperature control cooling fan: it will automatically operate when this power converter need to be cooled without any noise. Widely used in industrial automation, Security cameras, Broadcasting, Lighting, LED display, Radio, communications, Computer. Input voltage range is ac110-220v, maximum output current is 10a, output current can't be adjusted and it is up to your load, output voltage range is dc 0-48v adjustable, so this item will not fit for your device with over 10A current.

This parameter should not be higher than the maximum current of the power supply, otherwise it may cause damage to the power supply. Special atention: do not work with overload. Case material: metal; Main Color: Silver Tone. No switching power supply can be loaded with full current for a long time, fans, and the long-term load cannot exceed 80% of the rated current.
BrandMYSWEETY #ad
ManufacturerMYSWEETY #ad
Height2.48 Inches
Length9.45 Inches
Weight1.85 Pounds
Width5.12 Inches
Part Number500548-US2
ModelEXPSFD006582

6. Pyramid

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Pyramid PSV40U, USB, HAM w/ 120/240V AC Switchable to 1.5V-15 Volt DC, 4 Amp Regulated Benchtop AC-DC Converter Power Supply for CB Radio, Digital LCD Display, Universal Compact Bench Power Supply

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Pyramid #ad - It has rugged and durable housing construction, cabinet heatsink & built-in cooling fan. It converts standard 120V AC household power to 1. 5v-15v dc power and can supply up to 4 amp of continuous power. Converts ac to dc: the switching dc power supply features ac-dc converter variable linear / regulated design.

Digital lcd display: this desktop bench power supply is equipped with voltage meter LCD display w/ rotary control for voltage level adjustment. Usb charge port: this digital workbench variable PSU power converter features a USB charge port and universal dual screw connection terminals compatible w/ a wide range of device/equipment. Used to test device/equipment operation and performance. Works w/ cellular phones, CB radio, scanner, HAM radio, etc.

Switch-activated power control eliminates the need for an external battery or additional power source. 4 amp: the simple plug-in operation provides a constant source of dC voltage, allowing for quick and consistent power conversion. Short-circuit protection: equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator & any connected electronics. Provides reliable ac-to-DC power conversion w/ constant source of DC voltage.
BrandPyramid #ad
ManufacturerPyramid #ad
Height2.8 Inches
Length6.5 Inches
Width6.9 Inches
Part NumberPSV40U
ModelPSV40U

7. X-TRONIC

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Lock/Unlock Func • 5 Protection Modes • Adjustable USB Output • Easy Precise Coarse/Fine Adjustments • 3 Sets of High-Quality Leads, X-Tronic PX-70 Variable Bench DC Power Supply • Memory Recall

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X-TRONIC #ad - This unit will work great in laboratories, Schools, Production Lines and is a Must Have for your Computer Repair Service. Product features: one-time & opp protections and low output noise & continuous overcurrent protection to keep components safe, 4 memory recall presets for fast set-up, lock/Unlock Volts & Fine Adjustments Adjustable by 0.

01 volts & amperage, course & amps to protect devices, Intelligent Fan with Excellent Heat Dissipation, Adjustable USB Output for both Voltage & 0.0001 amps that are easy to fine-tune and accurate, 5V Limit Switch to Help Prevent Errors with Sensitive Equipment, OTP & Ripple. All x-tronic products come with a 30-day unconditional money back guarantee which also includes a 3-year warranty with the cost of parts and labor Included. Product specifications: output power: 160 watts, voltage & load stability:
BrandX-TRONIC #ad
ManufacturerX-Tronic International, Inc. #ad
Height7.25 Inches
Length10 Inches
Width5 Inches
Part NumberXTR-PX-70
ModelXTR-PX-70

8. DROK

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Voltage Boost Converter, DROK DC 8-60V to 10-120V 15A 900W Numerical Control Step Up Voltage Current Adjustable Regulator Constant Module Output 48V 24V 12V Power Supply with LED Display Heat Sink

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DROK #ad - Data save - the boost converter can save up to 10 sets of parameter settings. Converter can only set a limit on output current; 3 When powering high-power appliances, please turn off the automatic output function, correctly connect the converter, and then press the "OK" button to output.

It’s easy to save and very convenient to call out parameters at any time you would like to. After the voltage rises to the set voltage, turn on the appliances. Notes - 1 no big difference between input and output voltage. By manual setting to fully functional mode, the stabilizer would show more parameters, such as power and capacity. Otherwise the power loss will increase then the actual output may not be as what expected; 2 Actual output current is mainly decided by the load. Parameter - input voltage: dc 8-60v; output voltage: dc 10-120V; Input current: 0-15A; Output current: 0-15A.

Realtime led display & indicators - the transformer board is designed with bright 4-digit LED to display output voltage, current at default simple mode. Wide application - the step up power converter does great for wind power, DC generators, solar panels to charge battery, and it also can be made as a boost power supply to power devices. Also the board is equipped with working indicators to show real-time working status.
BrandDROK #ad
ManufacturerDROK #ad
Weight0.64 Pounds

9. DROK

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DROK CNC 10V-65V to 12V-120V DC to DC 12V 24V 36V 48V 12A 800W Adjustable Power Supply Voltage Regulator Module, DC Boost Converter, with Cooling Fan, Solar Panel MPPT Charging

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DROK #ad - Protection - with input low voltage protectionLVP, over voltage protectionOVP, over current protectionOCP. Lcd display - the module status reader is designed with LCD color screen, clear and convenient.

Boost mppt function - which is suitable for solar panel boost charging to capture the maximum output power. Cnc function - which enables users to read or set the parameters with computer or single chip microcomputer. Adjustable voltage & current - input voltage is 10-65v; output voltage is 12-120V; Input Current is 0-15A; Output Current is 0-12A; Output Power 0-800W can be arbitrary adjusted.
BrandDROK #ad
ManufacturerDROK #ad
Weight0.65 Pounds

10. DROK

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DROK DC to DC Step Down Power Supply Module 10V-65V to 0-60V 0-12A Adjustable Voltage Regulator Transformer Board with LED Display for Volt Reducer, DC Buck Converter

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DROK #ad - Constant current and voltage with indicator lightsthis volt transformer board can set constant output voltage and constant output current by the key buttons. Also, the module is equipped with working status indicator lights, constant voltage CV and constant current CC respectively, which are output OUT, so that the working status can be checked in real time.

Adjustable output voltage and currentfor drok buck converter: input voltage range is dc 10-65v; Output voltage range is DC 0-60V, can be arbitrary adjustable and used to convert 24v to 12v 5v; Output current range is 0-12A, can be arbitrary adjustable; Max output power is 720W. Auto output and button lock modeautomatic output can be set after power on.

Cooling fan and cooling padthis adjustable power supply converter is equipped with cooling fan and cooling pad which can keep it cool when it’s too hot. Led displaythis power supply module is designed with LED display, current, which can show real-time voltage, capacity and time. And the parameter adjustment button can be locked to prevent misoperation to adjust the output voltage and current parameters.
BrandDROK #ad
ManufacturerDROK #ad
Weight0.68 Pounds
Part Number200310AFA