Top 10 Variable Power Supply – Lab Power Supplies

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1. Korad Technology


5A DC Linear Power Supply Digital Regulated Lab Grade, Korad Technology KD3005D, Precision Variable Adjustable 30V

Korad Technology #ad - There are 4 indicator lights to show over current protection active, ideal for business, lock on/off. Constant voltage & current operation mode - Automatic switching between mA and A display. High-quality with essential safety - grounding wire, thermal protection, voltage and current overload and short-circuit protection ensure the safety of the device.

Precision instrument with many features - very easy setup with a rapid adjustment knobs. Indicator lights for Constant Voltage and current. Push the adjustment knob to switch to course or fine adjustment. 4 digits readings with back-lit led display - with a 0010v and 0001a resolution, 4 digits provide more accurate and clearer visible readout for the voltage and current values. What you get - 1 x korad kd3005d power supply, 1 x power cord, 1x Set of 5 Amp test leads, 1 x User manual.

There is also a lock to prevent accidental changes. Extremely durable and easily visible even in low-light usage, constant current mode, constant voltage mode, meeting the needs of most people, small labs or the hobbyist at home. The input voltage is switchable between 110/220 Volts for use in all countries. The built-in quiet variable fan reduces the operational noise and prolongs the life of product.
BrandKorad Technology #ad
ManufacturerKorad Technology #ad
Height10 Inches
Length14 Inches
Width10 Inches
Part NumberKD3005D

2. vomvomp


AC 110V 400W Knob Motor Speed Controller DC 0-90V Variable Adjust Lathe Control

vomvomp #ad - Humanized shell design: this electric speed regulator has small size, high precision, low power consumption, wide speed controlling range, Used for single (1/3)phase DC motor.

Wide application: this motor speed controller could widely used for speed governing device drivers of packaging, printing, instrument meter, clothing machinery, electronics, medical machinery and other industries. Long service life: our knob motor speed controller with Over Current protection and short circuit protection. With 5A fuse. Convenient speed control: The Speed Regulator with adjustable knob can be used to adjust voltage freely, convenient and simple. Single-phase circuit: this single-phase asynchronous motor speed controller can be used for 24V, 36V, 90V DC motors.
Brandvomvomp #ad
Manufacturervomvomp #ad

3. Mansa Lighting


12V Power Supply with Six Different Plug Types, Variable/Universal DC Voltage 3V, 5V, 9V, 4.5V, 6V, 7.5V

Mansa Lighting #ad - While you are looking for a matching power adapter you'll find that they all seem to have a slightly different voltage between 3V-12V and slightly different plug.

Most devices have the voltage listed right beside the plug if you look carefully. And a misplaced power adapter. It almost seems like a conspiracy! Output: dc voltage selector for 3v, 5v, 4. 5v, 6v, 7. 5v, 9v and 12v 1. 2 amps / 15 Watts. With this adapter you can adjust the voltage and the base to the device. You might find one that matches the voltage but not the plug. The slotted key allows you to change the voltage. Cable: 4 foot cable and snap in plugs for 5. 5mm x 2. 5mm, 5. 5mm x 2. 1mm, 3. 5mm x 1. 35mm, 4. 0mm x 1.
BrandMansa Lighting #ad
ManufacturerTDC Power #ad
Height4 Inches
Length4 Inches
Width4 Inches
Part NumberML-5021

4. aikeec


DIY Multifunctional Polishing Grinding Machine with 7 Speed Power Supply & 10PCS Abrasive Belts, aikeec Mini Belt Sander Electric Grinder Knife Apex Edge Sharpener

aikeec #ad - The belt size is 330*10mm and the machine size is 175*110*140mm. You can adjust it with the most suitable angle you want, enjoying the most comfortable condition. Material & function- high precision, solid material, non-slip, Complete CNC machining.

Adjust tightness & verticality- the workbench can be freely adjusted the angle. The noise is 75-85db and can be acceptable by people. Built-in double bearing, while avoiding dust entering the inside of the machine and damaging the bearing. High speed & strong motor- mini but the motor is super strong.

This machine can satisfy you and work great in grinding metals, wood, acrylic and other materials. Mini & tiny- it is mini and tiny, very convenient to do your work everywhere you want with this little partner. No-load speed: 4500-9000RPM. It will not influence the ears of operators and people around. Reduce noise- this mini machine will not produce much noise.
Brandaikeec #ad
Manufactureraikeec #ad
Part Number522

5. Tiamu


Tiamu XYS3580 Buck Boost Converter CC CV 0.6-36V 5A Power Module Adjustable Regulated Laboratory Power Supply Variable

Tiamu #ad - Data group function description:10 sets of data groups of m0-m9 can be saved. After bit selection, the corresponding bit will be displayed in reverse blue, long press the key of the encoding potentiometer for 2 seconds or more, and parameters will be set by rotating encoder;After the setting is completed, and no key operation will automatically exit the setting;All parameters are saved automatically after exiting.

Press and hold the key of coding potentiometer for 2 seconds on any interface to quickly call up the M1/M2 data group, and the serial number of the current data group will be displayed at the interface index;. After the parameters in the data group are modified and exited, the corresponding parameters will be stored in the current data group by default. In the power parameter setting interface, select the data group, and rotate the encoding potentiometer to call up the corresponding data group;.

Press the key of coding potentiometer briefly to activate the parameter to be set;The switch of parameter name and bit selection is realized by short pressing the key of coded potentiometer;After selecting the parameter name, the parameter name will be displayed in reverse blue, and the parameter to be set will be switched by rotating the encoding potentiometer;. By default, the data group M0 can be saved.
BrandTiamu #ad
ManufacturerTiamu #ad
Part Number413351

6. Powseed


POWSEED Universal 45W 5V 6V 7.5V 9V 12V 13.5V 15V AC DC Power Adapter for Household Electronics Routers CCTV IP Cameras Speaker USB Hub Tablet LED Strips, Multi Voltage Supply Cord Charger 1A 2A 3A

Powseed #ad - Select correct volt before power small household appliances usually don't have circuit protection, if with the wrong voltage, may damage your device. Some devices require central Negative - and outer positive +, which is totally opposite and not fitting, please check carefully before buying.

Input:110-240v, 2. 5x07mm, 4. 0x1. 7mm, 3. 5x1. 35mm, 1a 2a 3a universal power supply compatible 45w 36w 30w 24w 12w. Package include: 1 x 45w universal multi voltage Ac Adapter, 1 x LED terminal connector, 1 Set x Plugs, 1 x Iron Sheet. Important dc plug power polarity:central positive+, outer negative-.

Multiple voltage & various tips universal ac adapter Charger works for lots of household eletronics, like routers, USB hubs, BT speakers, cctv cameras, led strips, android tablets, webcams, etc. With switching plugs and different voltage output, you can save a lot on buying different voltage ac adapters. Dc plug dimensions: 5. 5x2. 5mm, 12v, 13. 5v, 3. 0x1.
BrandPowseed #ad
ManufacturerZOZOPlus #ad
Part NumberTHF-UYX



YUNBO AC 100-240V to DC 3-12V 5A 60W Universal Adjustable Power Supply Adapter for LED Strip lights

YUNBO #ad - Worry-free warranty: yunbo power adapter supports 90 days return and 1 year warranty. You can adjust the voltage between 3V and 12V according to your needs. The total length of power supply plus power cable is about 200cm, compatible with 5.

5mm x 2. 1mm, output: dc 3-12v 5A, US plug type. Adjustable voltage transformer: input: ac 100-240v 50-60hz, output adapter jack size: 5. 5mm x 2. 5mm, max wattage is 60W. Widely applications: suitable for most 3-12v devices, led module lights, cctv camera, such as: 12V 5050/2835/5630 LED strip lights, Wireless Router, 12V LED Strings, Monitor and so on. Digital voltage display: the built-in led display can accurately display the real-time voltage, and the rotary button can control and adjust the voltage.

If you have any questions about our products, please feel free to contact us, we will give you a satisfactory reply within 24 hours. It will protect your electronic products from destruction. Safety protection function: the power adapter has automatic overload cut-off, over voltage cut-off, over current cut-off, overheating protection, short circuit protection function.
BrandYUNBO #ad
ManufacturerKLY #ad
Height3.2 Centimeters
Length12 Centimeters
Weight8 ounces
Width5.2 Centimeters
Part NumberPAD1X-5

8. inShareplus


110V to 12 Power Supply for LED Strip Light with 5.5/2.1mm DC Female Barrel Connector to Screw Adapter, Drive, inShareplus 12V LED Strip Power Supply 2A 24W, Wall Mounted 12V Switching Power Supply

inShareplus #ad - Kindly note: please be kindly informed that the total wattage of LED strip lights should not exceed the max wattage(24 Watt of this adapter. Package includes: 1 x 12v 2a 24w power supply with 3.

3ft power cord, 1 x 5. 5/2. 1 dc female barrel connector to screw adapter. High quality: with 1 year warranty, and our seller support team always stand behind our products in any way, so please contact us for solution if you have any quality problems. Wide application: convert 100-240v ac to 12v dc, hub, widely use for smd2835 3528 5050 RGB LED strip lights, adsl cats, LED string, security camera, switch, wireless routers, Audio/Video power supply. Input&output: 100-240v ac input 50/60hz, dc 12V 2Amp output, 24 Watt max wattage.
BrandinShareplus #ad
ManufacturerShenZhen ZuoEn Technologies Co. Ltd #ad
Height2.2 Inches
Length2.92 Inches
Weight0.09 Kilograms
Width1.6 Inches
Part NumberISP-NW-PS-12V-WP-UL-24W

9. Tekpower


TekPower TP50SW 50 Amp 13.8V Analog DC Power Supply with Cigarette Plug

Tekpower #ad - 1 year usA warranty. 50a maxcurrent Output. High stable 13. 8v dc power supply for Ham/CB Radio. Cigarette Plug. Dc 9-15v adjustable.
BrandTekpower #ad
ManufacturerTekPower #ad
Part NumberTP50SW

10. Mophorn


Mophorn 500VA Transformer Max 5 Amp Variable Transformer 0-130 Volt Output Variable AC Voltage Regulator for Industries Equipment Appliances

Mophorn #ad - Our transformer is high efficiency with no waveform distortion. Suit for home coffee roasting, telecommunication equipment. Input voltage: ac 110v, 60Hz. Output voltage: ac 0-130V, 60Hz.

Max output: 5 Amps. Main parametercapacity of transformer: 500va. Wide application the transformer can be widely using in industries, power supplies, equipment, scientific experiments, test for railroad switching, label printing machine, motor speed control, ee labs, satellite, public facilities and household appliances. Transformervariable ac voltage regulator metered 500VA, Max 5 Amp, non-isolated, enclosed, adjustable transformer. Features the transformer we supplied features with output volt meter, on/off power switch, 5A fuse and power cord. No waveform distortion built-in copper coil with high quality material, more secure and durable.
BrandMophorn #ad
ManufacturerMophorn #ad
Part NumberVariable Transformer