DC Power Supply Variable, 0-32V 0-10A Switching Bench Power Supply with 20W USB & Type-C Quick-Charge, Encoder Corase & Fine Adjustment Knob, Output Switch, 4-Digit LED Display - SPS-3010V

Fairly rugged , metal enclosure, weighs enough to sit firmly on its rubber feet. Very nice front panel layout with sensibly spaced easy to use controls and relatively large & bright display that is easier to read from a further distance than many others. Output enable /disable button is an especially valuable feature and all buttons and controls seem to be of decent quality and work well, also they seem very intuitive to use, so it doesn't require a huge user manual but the one thats included does pretty well at explaining operation, although the manual included with mine does not explain the very useful OPN mode feature but fortunately that is briefly explained in the advertisement on Amazon. Only one other feature i've noticed isn't clearly explained in manual or on outside of packaging is the voltage range does n fact go up to 32V (at least on the one i received) just like advertised on Amazon but despite the "30" volt limit printed on the box or in the manual. Otherwise i like this supply very much and probably will buy another one, also i'll recommend it to others.

Great power supply for testing radios, balancing lithium cells, and other applications.My voltage is off just a tad, I have to set it to 12.06 to get 12.00 out, but it's fine, and my meter might be slightly inaccurate.This thing is a great value and works quite well. Nice compact size too

Great power supply for the price. I use it for my jewelry hobby, mainly for electroplating copper and it works perfect for that job. I did check the voltage output with my multimeter and it was accurately producing the voltage I had dialed in. Overall, I would recommend for this type of use as it is fairly light weight and seems to be built decently for the cost. The display is easy to read, as well.

After purchase, I put the Jesverty SPS-12003N 120 vdc 3 amp power supply through its paces to see if it would meet its own published specifications. I was not disappointed. After I let the unit "warm" up for a while, I tested voltage and current capabilities for both outputs.The 5 volt USB Type A output stayed within 0.05 volts of its standard 5 volts rated output, even when providing its maximum stated current of 2 amps. Very good.The main output provides up to a full 3 amperes, its maximum rated current output, without regard to the voltage setting. The output voltage can be set very precisely to within 0.001 volt by use of the Voltage Course and Voltage Fine controls, and it stays on value throughout the full range of current drawn, plus or minus 0.001 volt in my unit. This indicates very good design in my opinion. Residual voltage ripple and noise performance as viewed on my oscilloscope was very good, being lower than the manufacturer's specification of less than 150mV peak to peak.The voltage display was very accurate, typically within 0.005 volt of my reference Fluke voltmeter. Current display readings were a bit less precise, but still fairly accurate overall.Adjustable current limiting is a great feature that this power supply provides. A small flyer arrived in the box along with the unit's operating instructions and the power supply. The flyer (and my following edits) show how to set up current limiting: 1.) Set current to zero, 2.) Set the output voltage to a value less than 5 volts, 3.) Short the output (test leads or other) together, 4.) Set the Current controls to the desired current limit you wish to use as shown on the display, 5.) Now set the Voltage controls to your desired output voltage, 6.) Connect your device. Whenever the current drawn from the supply reaches the setpoint, the output voltage will drop sharply. Note that the setpoint should be set just slightly higher than the maximum normal current you expect your load to need in order to work properly.I heard no noise from the power supply (including its internal cooling fan) at any voltage or load setting. Also, cabinet heating under load was barely noticeable to my touch, probably due to the internal fan.Is this a perfect power supply? No, but it comes close, especially in view of its relatively low price. Build quality seems good, but we'll see how it performs over time. Like others have mentioned, It would have been nice to have multiturn voltage and current adjustments. The unit's single turn controls can be a little finicky at times when trying to make precise settings. Also, the Power button does not turn off the output immediately; it can take a second or two for the output to reach zero volts after pressing the button (there's a relatively large capacitor connected across the output terminals, internally, that must discharge over time to bring the output to zero). A separate output on/off switch would have been nice, too. So, only minor nits to pick.Recommended!

Real deal. Works PERFECT. Could he heavier so it doesnt move when I push buttons, But thats about it. Constant Current mode works GREAT!

Bought this to ensure top balance of 51.2v 100ah lifepo4 battery. The unit I received is very accurate when calibrating with my Klein multi-meter. It was able to take each of my battery packs from 31 to 100 SOC while allowing me to finely control voltage input at top-end of charge cycle to help the BMS in balancing cells.

I had just sent back two defective power supplies from another company that actually shorted out the 120 V AC, and was dangerous and unusable. So when I received this power supply, the fact that it worked without burning the house down was quite a relief. It’s pretty amazing to have 320 W supply that was so small and pretty quiet even when the fan turned on to cool it down. I built my own power supply more than 50 years ago and it was five times the size, double the price and, took me two weeks to make and only supplied about 36 W.

I've had this power supply for a while now, and I've been very pleased with it's performance. It holds the voltage and current setting adjustments very accurately. The usb port on the front makes a great spot to add a small led work light to light up your work area in front of the power supply. The appearance and performance are both excellent. If you do any work with lithium ion batteries, a power supply like this is a must have.