Top 8 Best Dc Variable Power Supply

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..

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..

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..

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..

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..

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..

High PrecisionHYELEC DC benchtop power supply is high precision, compact power supply which with precise encoder adjustment knob,using code type potentiometer, users can use the same adjustment knob for coarse and fine adjustment switch, display precision 0.01V and 0.001A, it has applied high precision 4-digit LED display, the value of number on the display is steady and do not jump word.. 3 group memory function 5V 2A USB interface The variable bench power supply has three sets of storage functions M1-M3.  Use three storage buttons M1-M3 to save and bring up the data. the variable power supply has configured with 5V2A USB interface for powering terminal devices such as mobile phones and pads.. Multi-protectionThe bench power supply equipped with surge protection output switch, it can prevent damage the equipment when you forget to disconnect the output   The adjustable power supply includes temperature control fan, short circuit protection, over voltage and over current protection, and the over voltage and over current protection value can be set arbitrarily.  Its applied frontier technology in the industry, the performance has beyond linear power supply and created a record of 72-hours uninterrupted test at full load.. Extensive useHYELEC DC desktop power supply weight has reduced to around 2.71b more flexible and compact than ordinary power supply, it's suitable for a variety of applications such as laboratory scientific research, mobile phone repair and troubleshooting, electrical maintenance, battery charging, technology and DIY tools, etc. Packaging and after sales service1 x HY50-06A DC power supply, 1 x output power cable, 1 x input power cable, 1 x English user manual, 24 months warranty and lifetime technical support  .

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..

Precise 4-digit LED DisplayThe Vlifree DC bench power supply has a resolution of 0.01V and 0.01A, and you can easily adjust it in the range of 0-30V and 0-5A The 4-digit back-lit LED display provides more accurate and clearly visible readings for the voltage and current value, even in conditions of low voltage. Constant Voltage C.V. Current C.C. ModeAdjust the coarse and fine adjustment knobs to easily dial in the required voltage and current When the load current reaches the current limit value, it will automatically switch to the constant current mode, you can easily see the amperage and voltage change as circuit components are switched in and out. Multiple Protections - Come with Output button, this button can prevent you from damaging the device by forgetting to disconnect the output the Vlifree power supply consists of a temperature-controlled fan, over-voltage, power overload, short-circuit protection, and a 5A input fuse, you can use it for a long time without interruption. Compact and Various ApplicationThe lab power supply made of high-quality materials is compact, lightweight and easy to carry Vlifree DC power supply is ideal for various applications, such as school lab experiments, cell phone repairing and troubleshooting, electronic production ensuring specifications, and laboratory measurements. What You Get1 x DCP5A Power supply, 1 x Output power cord, 1x Input power cord, 1 x User manual If you have any questions, please contact us, our technical team and after-sales team are always behind you, The Vlifree power supply is backed by 5 years warranty.

High Precision, Wide RangeLONGWEI DC power supply is a professional power supply regulation device that designed with crystal clear, backlit 4-digit LED display of voltage, current, and power. Precise accuracy 00.01V and 00.01A. 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 Applicationif it cannot adjust voltage lower than 6v or unable to hold at 5v.please see attached instruction or contact me directly.we will tell you how to adjust fix it or choose a refund.thanks. 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..