The Best Adjustable Lab Power Supplies of 2023

Compact Design with Dual 4 Digit LED Displays and Digital Controls - Switchable power input 110/220v

Circuit protection for over load, short circuit and over temperature.

Automatic switching between mA and A display

【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.

♦To prevent scratches,the display screen has a thin protective film,which may not be obvious.If you find scratches on the screen, you can look at it carefully and you will find that there is a protective film on the screen. If you have any problems, please contact us.Output Voltage:30V,Output Current:10A,Dual Digital display.With USB Output(5V 2A).Fan of the power supply will automatically turn on when temperatures reach 50 ℃.

Burnt out apply input power may be caused by incorrect settings, you can contact us and we will provide you with relevant operations and precautions. We will certainly give you a satisfactory solution.【30V dc bench power supply】we have limit current protection, thermal protection, voltage overload protection, short-circuit protection.【 The power cord does not conduct current, which is a very rare phenomenon, if this problem occurs, please contact us. Free replacement.】

If you find that you can't use it as described in the product, please contact us and we will solve it for you. Our products are professional to a certain extent, so you can also follow the instructions in the user's manual.& If you find that this equipment is underpowered, please do not worry, you can contact us, we will teach you how to use it correctly, this power supply needs some correct settings.

♦When you are unable to adjust the current, it may be because you do not have access to the electronic load. You can turn on an electronic load or form a short connection and then adjust it. You can also contact us.【Application】this dc power supply for phone repair,Lab use,battery charge,plating，etc.

♦ If you find that the power supply does not work or the screen does not display after receiving the goods, please contact us immediately and we will give you an unconditional refund. If you have anything you don't understand in the process of use, please contact us and we will answer it for you.

Adjustable DC Power Supply:✅0-30V and 0-10A output; Decimal point automatic carry & LED 4 digits display of voltage function displays. Display accuracy: 0.01V and 0.001A. Clearer visible readout for the voltage and current value, extremely durable, and easily visible even in low-light usage.

Constant Voltage and Current:✅Automatic conversion between C.C and C.V modes, which can stably output voltage or current; The independent adjustment knobs allow for a bit by bit adjustment of voltage and current data. The conversion between constant voltage and constant current is indicated by the LED display on the front panel.

Compact & 5V/2A USB Interface:✅This power supply features the latest flame-retardant material housing for lightweight and high performance while maximizing impact resistance for safety. 5V / 2A USB port provides power to charge your phone or the device you want to repair without worrying about running out of power.

Multiple protection functions:✅Intelligent temperature adjustment function with an integrated thermal sensor can effectively reduce the temperature during operation, effectively reduce noise. The power supply is durable and compact. Multiple Protections include boundary current protection, thermal protection, voltage overload protection, short circuit protection, Overpower.

What You Get:✅1 x Eventek KPS1505DF DC Power Supply with FCC certification, 2 x Output Power Cord , 1x Input Power Cord, 1 x User Manual, and 24-month warranty.

◆【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.)

【Highly Accurate Encoder Adjustment】 Just 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 directly and accurately set the voltage or current you want. It is more precise and convenient than traditional knobs.

【Output Switch Control】 In the process of using the variable power supply, you can adjust the voltage and current you need by pressing the output button at any time. This design can prevent you from damaging the appliance because you forget to disconnect the output. Effectively improve your experiment efficiency.

【Automatic Power Calculation】 The bench power supply will automatically calculate the power based on the voltage and current, and display the voltage, current and power on the high-definition four-digit digital display. The accuracy is 0.01V, 0.001A. The bright digital display allows you to use the bench power supply in a dim environment.

【Short Circuit Alarm】 When the load equipment fails and short-circuits, the variable 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.

【Packaging and After-Sales】 1 x Wanptek DC Power Supply, 1 x Output Power Cord, 1x Input Power Cord, 1 x User Manual. The compact power supply size is 7.48*3.54*5.90inch, Weight is 2.46lb. If you have any technical questions about our power supply, please do not hesitate to contact us.

【Automatic Power Calculation】 Different from other dc power supplies, WANPTEK DPS305U 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 12-Month after sale service, lifetime technical support. If you are not satisfied with the product you received, please feel free to contact us.

▲ 60V VARIABLE POWER SUPPLY📗- 0-60 volts and 0-5 Amp outputs with 4 LED digital BRIGHT display ,easy to read the number, with resolution of 0.01 V（10mV)and 0.001A(1mA), It's easy to set the voltage, short the wire leads, and set the current.

▲ C.C & C.V.MODES AUTO CONVERSION📗-It's easy to adjust your desired voltage and current with coarse and fine turning knob. The constant voltage and current mode automatically switch over with load changes.

▲HIGH QUALITY& STABILITY📗-High quality material made, and make it stable output.It's built-in cooling fan with thermo-sensor will keep the power supply cool,noise reduced and life prolonged.Perfect limit current protection, thermal protection, voltage overload protection, short-circuit protection.

▲ WIDE APPLICATIONS📗-Suitable for testing/troubleshooting many 48VDC equipment elements and components，electronic maintenance, electrolyzation, electroplate, battery charge, laboratory, teching, and DIY tools.Good gift 🎁 for DIY electronic gears.

▲ WHAT YOU WILL GET AND ENJOY📗- 1*quality standard 4mm Alligator Clip Leads with Banana Plug 20 inch length;1* US power cord, 1* user manual.You could enjoy 30-day free-returned,36-month warranty,and lifetime technology support.

★【DC regulated power supply】0-30 Volts and 0-5 Amp outpouts with alligator clip leads, 3 LED digital display.

★【Auto Conversion】Current can be converted from ''A'' to ''mA'' though The Movement of Decimal Point. It can be operated as constant current or constant voltage source.

★【Multiple Protections】Upgrade Elastic Handle, easy to carry, Automatic cooling fan, exhaust fan protection, overload and short circuit protection to prolong service life of product.

★【High Stability】Voltage stability: <0.01%+3mV, Current stability: < 0.2%+3mA, Ripple & noise :< 3mArms

★【Wide Application】Suitable for the laboratory, electronic, communication equipments maintenance, products line, scientific research and teaching units

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 DC Power Supply, 1 x Output Power Cord , 1x Input Power Cord, 1 x User Manual