DROK DC Buck Converter, 5.3V-32V to 1.2V-32V 12A Adjustable Power Supply, 5v 9v 12v 24V 30V 32V Step Down Voltage Regulator with LCD Display Volt Transformer Reducer CC CV for RV Solar Panel Golf Cart

The solid build and intelligent placement of connections made it so much easier to use. I needed a device to give me the voltage I needed to run the Zone Valves allowing me to set and forget it. The Valves run at 9-24VAC/DC so I was able to adjust the voltage down the middle so the valves would work efficiently and safely. Love the Readout that can show either Power In or Out with the push of a simple ease access button. Of which there is the same type of button to kill output. Low Heat generation which it's designed to alleviate with open architecture and n8ce size Heatsink.

I love this little voltage converter. I use it with an old laptop power brick and use this as an adjustable power supply for my little projects. It works great for etching steel with salt water and a cotton swab. I use it to put my makers mark on knives that I make. I also use it for testing little electronics projects. It’s a bit fiddly to adjust because you need a tiny screw driver, but it works great. It’s been very reliable over the years I’ve had it.

This is a very nice step down power supply with an easily readable blue backlit input and output, voltage and current display. Well constructed, 15 minute self evident assembly required. Works excellently as a charger for an SLA battery from a solar panel (mine 18V). I set this supply to float the battery at 13.65V. I set the output current limit to 0.50A. When the battery reaches the float voltage, the output current drops to 0.00A. Any load on the battery is immediately made up by the supply. The display is powered by either the input or by the output (when charging a battery). I measured 17mA of current to power the display when the output was disconnected. The display only shows the current actually going out the output; input current and output current displays are always the same value. Warnings not to hookup inputs/outputs incorrectly (they supplied a huge diode in this kit but I did not use). The large font LCD display is designed to be viewed from an angle slightly below perpendicular. This is good when viewing laying flat on the bench-top but poor for a vertical wall/panel mount when viewing from above. This supply looks very impressive when included in a project.

Awesome gets the job done, just wish you could dim the screen

I added a stereo system to my RV and assumed I could just tap into the existing 12v system that powers the lights and charges the 12v batteries. The stereo was getting very hot and powering off intermittently. Then it would even turn itself on randomly like in the middle of the night. I put a meter on the line and saw that the voltage was cycling constantly between 11.8 and 14.8, which may not adversely effect the big 12v batteries or the simple 12v lighting, but this Kenwood stereo was another matter. I shopped around and found this to be the best value for the money so I ordered it. I set it up and installed it directly behind the stereo and from that moment the stereo has worked perfectly. Since my phone is connected via Bluetooth, I generally leave the stereo on all the time and it never gets hot, never restarts, and never malfunctions. Love it!

I had a usbc port come unattached from the pcb on a device I use daily. I tried with no success to replace the usbc port so I looked for an alternative way to keep the 2 18650 batteries in the device charged. This product worked out better than I expected! It keeps the batteries charged up perfectly. It let me set the output voltage to 8.3v and let me set a maximum amperage of 4 amps, when I am using the device plugged in it will draw up to the 4 amps, with the device off it will only draw <1amp to charge up the batteries back to full. I thought this was more of a straight always 8.3, full current kind of thing but it is actually designed so that it can maintain batteries as well, really cool! I highly recommend this product. Been using it over a year and it’s held up very well! I don’t use it at full current but at 4 amps it doesn’t get hot at all.

I got this one with the wrong impression it'd output up to ~30v. They make it look like it can provide anywhere between 5 and 32, from any voltage between 5 and 30 as well. I was trying to make a bench power supply. So I got a very good 12v 20a power supply to connect it to this unit thinking "Ok, it can range from 5 to 30v at least." Hell no, when I tried to crank it to 14v, it just wouldn't. For a second I thought I had messed with it somehow. I was going crazy trying to figure out what it was. I had to read all the description more carefully. Well, it turns out it says, somewhere it says very casually that the input needs to be more than the output! THIS IS JUST A GLORIFIED STEP DOWN. That's useless for me as I need to power things ranging from 5v to 28v. If this thing is just a step down, IT SHOULD SAY SO! This is so misleading. I'm not an electric engineer. If I was, I'd probably would've known stepping down and up is probably not possible with the same device. I learned it the hard day... if this was only a bit more honest and call it it in the description, instead of casually saying in parenthesis "oh by they ways, it needs more power than the expected output. It should say: STEP DOWN BUCKLE WITH SCREEN. Now my whole setup is ruined. I'm just going to try to return it and buy a Bench Power Supplies. How disappointing.

Works great. However there is no way to turn off the display which drained my battery.

Delivery and product quality A+++. Thank you

Well built and comes with easy to read directions. Can’t say that I would put a 430 watt load on it. Maybe it is good for that big a load. There was a 15SQ045 diode in the box. Not sure why. Might have been a return item. Good product.

very nice product

Very beautiful product but the price is high and is ease of use

Hi guys 😁 I'm using this buck converter as regulator power supply for my Li-ion battery packs And working perfectly This save's me lot of money and time