Top 8 Best Power Supply Variable

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 voltagecurrent 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. 5V2A 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 12250,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.

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.. 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.. 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.. 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.. 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..

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.. 5V3.6A 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 5V3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired.. Short Circuit 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.. 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.. Packaging and After-Sales1 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..

Input AC 100240V, 5060Hz Output DC 324V Adjustable, Max 3A 72W It can supply with any voltage between 324V,such as 3V 4V 4.5V 5V 5.5V 6V 9V 12V 14V 15V 19V 20V 24V, etc and any amp less than 3A, such as 300mA, 500mA,1A, 1.5A, 2A, 2.5A, 3A. LCD display will show the output voltage, in case that wrong voltage regulation damage your device.. It comes with an original 5.5x2.5mm tip and 14pcs frequently used tips 6.5x4.4mmPin, 5.5x2.1mm, 5.5x3.0mmPin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C and DC terminal connector. You can screw wires onto it easily, perfect for DIY projects.. The 72W all-in-one multipurpose ACDC adapter fit for many 324V small household electronics such as LED strips, under-cabinet light, TV Box, smart speaks, wireless routers, essential oil diffuser humidifier, USB fan, Wifi camera, USB Hub, hard disk box, DC motor, DC pump, digital photo frame, DVR NVR surveillance system etc.. Built-in multiple safety protection systems. Automatic over voltage cut-off, over current cut-off, over temperature cut-off, short circuit cut-off. We focus on producing premium quality and safety power adapters. No noise, no spontaneous combustion, no explosion, no fire hazard, safe to use. 6ft long power cable makes it convenient to use.. Please choose correct voltage before plug it to your device. Wrong voltage may damage your device. We recommend to use less than 80 of the full load. We always stand behind our products. If there is any issue, please feel free to contact us. We have 30 days money back guarantee, 24 months exchange..

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.. 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.. Various ApplicationThis one weighs less than 2kgs and measures only 2.78.66.3inches, 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 Get1 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..

High Reliability ProtectionThe lab power supply is equipped with OCPOVPOTP protection function. When the actual voltagecurrent value exceeds the setting OVPOCP value, the power supply will initiate self-protection and turn off the output. These protection functions ensure safety during testing and extend the life of the equipment.. LED Display and FunctionsThe power supply usually displays the actual voltage and current values. When you press 'shift' twice, the settings will be displayed for three seconds. Key lock function can prevent error operation by unauthorized person and the lab power supply has CVCC mode automatic conversion function.. Simple and PracticalThe single output bench power supply does not have programmable functions, so its operation isnt complicated. ITECH IT6720 adjustable power supply can meet more testing needs than conventional power supplies with fixed output ratings due to its widest voltage and current utilization. The variable dc power supply can provide any VoltAmp combination within the rated power, so you an cut down on the number of power supplies required and free up valuable bench space.. Measurement and PackageOutput Voltage 060V, Output Current 08A, Power 0180W, Resolution 0.01V0.001A, Accuracy 0.0510mV0.35mA Package Contents Adjustable Power Supply x 1, Power Cord x 1, Certificate x 1, User Manual x 1, Calibration Report x 1 Notice The Red and Black Test Line is optional accessories, not standard accessories, you can buy it in ITECH Electronic store. 100 Customer SatisfactionThe dc variable power supply has has undergone several quality tests and calibration before leaving the factory, we guarantee its quality. If there is a problem with the device, please contact our technical support. One year warranty, 180 days extended warranty for product registration on the official website..

Higher Sensitivity Precision Adjustable 30V 10A DC Power Supply is designed for laboratories, schools and production lines. Its output voltage and output current could be continuously adjusted between zero and nominal value. It can precisely sense the location of voltage and current and make double potentiometer adjustment. Good power stability and ripple coefficient, it can precisely sense the location of voltage and current.. High-Quality Multiple Protections The Power Supply comes with over-voltage, over-current, over-power, over-heat, short-circuit, five powerful protection function. The built-in fan low arc noise low ripple,prolonging the life of product effectively. In addtion, the power supply variable displays voltage, current and power simultaneously and the keyboard can be locked to avoid misoperation.. Constant Voltage Current Current Operation Mode 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 5A. It also comes with high-quality pure copper toroidal transformer, intelligent temperature-controlled fan, unique solar heat dissipation function and 4-in-1 power supply, including universal, digital control, programmable, and timing output power supply.. List Programmable Sequence Output Timing Loop Output Function In the list mode, setting the 6 sets of voltages, currents, and 1-9999 seconds of M1-M6 in advance, the parameters and time can be set according to your demands, fast storage, convenient to call at any time. The M1-M6 cycle output is more conducive to long-term test actions. If connected to a computer, it will not be limited to the 6-group parameters of M1-M6. You can set up to 999 sets of data at will..

High Precision, Low Ripple, LED Display, Auto Switch C.CC.V ModeNICE-POWER 30V 10A DC power supply is a professional power supply regulator with high accuracy of 0.01V and 0.001A, low ripple of DC power supply. The backlit 4-digits LED display has the advantage of high resolution, which can be easily viewed even if you are in low-light conditions . Adjustable power supply has C.VC.C indicator, constant voltage and constant current mode can automatically complete the switch.. CE FCC Certification, Multiple Protection, Various ApplicationLab power supplies have passed CE FCC Certification. 30V DC power supply has multiple protections overvoltage protection, overcurrent protection, overheating protection, over power protection, short circuit protection, leakage protection. DC power supply is suitable for LiFePO4 battery charging, arduino project, anodizing, laboratories, schools, electronic maintenance , electrolysis, electroplating, lamp test, DIY, etc.. Stable Vertical Design, Lightweight and PortableBench power supply adopts stable vertical design, DC power supply has shock absorber rubber feet at the bottom, so it will be safer and more stable during use. DC power supply is very light and portable, with a size of only 3.3 x 9.4 x 6.1 inches and a weight of only 2.6 pounds. You can easily take the DC power supply to work.. 5V2A USB Port, Intelligent Cooling Fan, High-quality MaterialsThe DC power supply is equipped with a 5V2A USB port, you can charge your mobile phone, tablet or other devices. When the working temperature of the DC power supply exceeds 12250, the cooling fan is turned on intelligently, which can effectively dissipate heat. , Reduce working noise and prolong the service life of equipment. High-quality materials make our DC power supply more durable.. Quality Check and Terms of ServiceYou will get DC Power Supply1, Output Power Cord1, Input Power Cord1, User Manual1 by purchasing DC power supply. We will inspect all DC power supply and accessories before shipment to ensure that the quality of the products received by each customer is good. We provide a 12-month warranty policy. If you have any questions about our DC power supply, please feel free to contact us, we will response back within 24 hours..

High-precision encoder knobDifferent 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 EnableDisable ButtonIn 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 ProtectionWhen 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 DisplayThe 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 LightweightThe measures of the variable dc power supply is only 7.513.565.81inch 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..

Triple output 220 watts. 0-32V 0-3.2A x 2. 2.2, 3.3, 5V 3.2A. Four displays. Voltage and current readout for Ch1 Ch2. Output modes series, independent, parallel. Usb interface. Easy power software included.Two sets of adjustable voltage and a fixed set of selectable voltages.