Top 8 Best Variable Dc Power Supply

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 Variable DC Power Supply, 1 set of Output Power Cords , 1x Input Power Cord, 1 x User Manual, and Technical Support from Kungber..

Automatic power calculation adjustable DC power supply accuracy up to 0.01V and 0.001a, constant voltage C.V. and constant current C.C. mode automatic conversion and can automatically calculate power values according to voltage and current. In addition, the backlit 4-bit LED display provides more accurate readings of voltage and current values, which are easy to see even in low light conditions.. 5 V 2A USB interface Variable power has built-in quick charging protocol identification chip, supporting USB quick charging function, it has A 5 V 2A output can be quickly charged mobile phones or other devices or used for charging equipment repair, very convenient.. Safe and reliable with a variety of safety protection measures, including grounding wire, leakage protection, thermal protection, voltage overload, power overload, short circuit protection, and the power supply is equipped with intelligent temperature control fan and heat sink, heat dissipation effect is good, can effectively continue to work. Extend product life.. Widely used Jesverty DC desktop power supply size is only 8.66x 3.35x 5.9 inches, more flexible and compact than ordinary power supply, very suitable for laboratory, school, maintenance, electrolysis, electroplating, brush plating, lamp testing, aging test, battery charging, home DIY and other requirements.. Packaging and after-sales 1 x power host, 1 x output power line, 1 x input power line, 1 x user manual, we provide lifelong technical support. If you are not satisfied with the product you have received, please feel free to contact us..

Precise Encoder Knobs Unlike other DC power supplies, the WANPTEK DPS3010U DC power supply uses a precise encoder adjustment. Press the knob to switch the number of digits and turn the knob to set the number. Let the direct setting value replace the adjustment value.. USB Type-C Interface The variable power supply has built-in fast charging protocol identification chip that supports USB Type-C 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 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 variable dc power supply, 1 x output power cord, 1 x input power cord, 1 x user manual, We provide lifetime technical support. If you are not satisfied with the product you received, please feel free to contact us..

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..

Adjustable VoltageInput AC 100240V, 5060Hz, Output Voltage can be adjusted from 3V to 24V DC such as 3V 4V 4.5V 5V 5.5V 6V 9V 12V 14V 15V 19V 20V 24V. Wattage Max 3A, 72W It can supply with amps less than 3A, such as 300mA, 500mA,1A, 1.5A, 2A, 2.5A, 3A.. Upgraded Version Power SupplyBuilt-in protruding rotatable button for adjusting the voltage suitable for your device ,The LED displays real-time voltage,which helps you control real-time condition of charging. The knob can be adjusted more evenly, and it can reach 13V 14V by rotating 50. Increase the off gear to turn off the power without pulling the plug.. Multiple DC TipsEquipped with 14 frequently used plugs Micro-USB, Type-C, DC terminal connector, 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. Universal ac adapter equipped with a reverse polarity converter. Our DC plug polarity inner positive, outer negative-. you can use this reverse polarity converter, which expands the application range of the adapter to a greater extent.. Widely UsedThe 72W all-in-one multipurpose adapter fit for most ACDC home appliances. Can be perfect for Wireless Router, ADSL Cats, HUB, Security Cameras, WiFi Camera, DVD Player, Audio Video device, 3D Printer, CCTV System, LCD Monitor, Bluetooth speaker, Sound bar, digital piano, portable Keyboard, IR illuminator, LED strip light and other household portable devices. Check dc jack before buy 5.5x2.5mm, compatible 5.5x2.1mm. Worry-Free ShoppingPackage includes 1 x 324V 72W universal acdc adapter, 14 x DC tips, 1 x reverse polarity converter. Built-in multiple safety protection systems and safe to use. All products tested and shipped. If you have any questions about the product, please feel free to contact us before returning. We support 30 days money back guarantee, 24 months free 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..

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 adjustable dc 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 variable dc power supply size is 7.483.545.90inch, Weight is 2.46lb. If you have any technical questions about our power supply, please do not hesitate 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. This product is an AC to DC adapter, NOT chargerIt cant be used to charge electronic devices with batteries, such as laptops. Otherwise, it may damage your device.. 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, 18 months exchange..

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-digit 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 light, 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 laboratories, schools, electronic maintenance , Electrolysis, electroplating, lamp test, aging test, home DIY, scientific research and teaching, etc.. Front Power Switch , Stable Horizontal Design, Lightweight and PortableThe front power switch is very convenient. Bench power supply adopts Stable Horizontal 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 9.9 x 6.7 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..

Volt Adjustment Input Voltage can be 110V or 220V. Wide adjustable output Voltage range DC 0-48V. This supply is suitable for 5V 9V 12V 24V 30V 36V 48V devices. The voltage precision is 0.1V. NoteThe maximum current is 10A. But the actual current is depended on the load. No matter how many voltage is adjusted, the current is 10A and can not be regulated. It can be used to device of 2A 3A 5A 10A. Make sure to use the devices which is below 10A.. Hareware This Buck Converter is equipped with LED screen, heat sink and cooling fan. The LED screen can clearly display the output voltage. Heat sink and cooling fan can control the temperature in a safe range. During the running power is high, the cooling fan will automatically activate with little noise.. Easy Operation This supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient. The potentiometer is inset into the supply. Only to rotate the potentiometer can adjust output parameter.. Protection Over Load Protection, Over Voltage Protection, Short Circuit Protection, which can protect your device from damage. Note the default input voltage is 220V, before using, please switching the input voltage to 110V220V according to your city voltage.. Wide Application This power supply has variable application. It can be used as a 5V 12V 24V 30V 36V 48V power supply for RV, Car, Labtop, Computer, Lab, CCTV, etc. All of our item has 1 year long time warranty guarantee..