Top 10 Best Adjustable 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 DC Power Supply, 1 x Output Power Cord , 1x Input Power Cord, 1 x User Manual.

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 424V Adjustable, Max 5A 120W It can supply with any voltage between 424V,such as 4V 4.5V 5V 5.5V 6V 9V 12V 14V 15V 16V 18V 19V 19.5V 20V 22V 24V, etc and any amp less than 5A, such as such as 300mA, 500mA,1A, 1.5A, 2A, 2.5A, 3A, 3.5A, 4A, 4.5A, 5A. 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. We especially add a reverse polarity converter, which will double its application scope.. The 120W all-in-one multipurpose ACDC adapter fit for many 424V electronics such as DC linear motor, DC pump, LED strips, under-cabinet light, TV Box, smart speaks, wireless routers, essential oil diffuser, humidifier, USB fan, Wifi camera, USB Hub, hard disk box, digital photo frame, DVR NVR surveillance system etc and other devices under 120W.. 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..

Voltage AdjustmentInput voltage range is AC 110-220V. Output voltage range is DC 0-48V and fully adjustable. The voltage meter is 0.1v precision. But no matter how many Volts the voltage is adjusted, the current is 10A and not adjustable, the actual current is determined by the load. Make sure to use it for devices with current below 10A, but dont use it for devices over 10A.. Digital DisplayThe nice LED display of this universal adapter shows a real-time voltage, which makes it more convenient to adjust the output voltage.. Smart Cooling FanEquipped with temperature control cooling fan it will automatically operate when the power converter gets hot with low noise.. Various Protection FunctionOver load protection, over voltage protection, short circuit protection, which will protect your load well. NOTE Its default 220V, before using, please select the input voltage 110V220V according to your local voltage, to avoid being damaged, switch is at the right side of it.. Multiple-purpose Switching Power SupplyMainly used for a variety of DC equipment, DC motor stepless speed regulation, LED stepless dimming, chemical electrolysis and plating speed regulation, research and testing, student experiment and so on. Also works great for a CNC project, radio, LED strips..

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..

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..

To prevent scratches,the display screen has a 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.4Digit LED Display accuracy 0.01V 0.001A.Output Voltage30V,Output Current10A,.With USB charge port5V 2A.. Doesn't do primary function-no power out. Because our power supply uses better capacitance, there will be a little delay display effect after the power is cut off. This is normal, and it will take a few seconds to turn off the screen.Fan of the power supply will automatically turn on when temperatures reach 50 .We have limit current protection, thermal protection, voltage overload protection, short-circuit protection.. 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.This dc power supply for phone repair,Lab use,battery charge,platingetc.. It have complete operating protection function,Double potentiometer more precise adjustment.. 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..

The Power You Need PowerMax can give some power to your RV, 12V Car Audio Stereo CV Radio, Boat trolling motors and LED, and can provide some power to your house, lighting off-grid solar backup. 12V Battery Charger has a power supply that you could connect to your car, then plug it in and play your car stereo without running the engine. It is rated for 100 amps.. How to charge a 12-Volt Battery Connect your 12-volt battery to the battery charger by attaching the BLACK negative cable from your charger to the negative terminal of the 12-volt battery. Make sure to use the clips or clamps to connect to the terminal securely. Generally, the negative terminal is labeled . You also need to connect the positive cable from your charger to the RED positive cable of the battery. Youll find the mark on the positive terminal.. AUTOMATIC THERMAL PROTECTION PowerMax Battery Charger has automatic thermal protection. It can reduce output to safe levels if the unit temperature exceeds safe levels pre-set limits and protects charger damage due to excessive heat. It automatically reduces the output voltage to prevent overheating and possible damage. Even though there is no risk of overcharging with the use of a high-quality charger, the battery should not remain connected to the charger for more than 24 hours.. SAFE TO USE Powermax convertercharger will not boil the battery. It has an Intelligent way to charge maintain your RV battery and very easy to install so its a free hassle to use. 3-stage charging system built-in dramatically increases battery life for long last usage. Reliable, safe, clean ACDC power. It has reverse polarity, Overload Thermal protection. 55Apm DC Power Output w built-in 3 stages smart charger.. NO NEED TO REWIRE With no need to re-wire, installation is only 10 minutes It has an automatic three-stage converter that handles every charging need for the RV, Boat motor and LED, house lighting, off-grid solar backup while extending the batterys life. Well-maintained batteries should never need more than two-stage normal and trickle charging. No more flickering lights in our camper..

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..

best competitive price.