Weewooday 2 Pieces 12V/24V to 5V USB Dc Converter Adapter Buck Module

used for installing my dashcam. Just note that it can handle only a 3A output. But works great

Works quite well. Tested at 12.3 volts input , it will actually deliver 3.0 amps at 4.93 volts which is better than I expected. (NOTE: One of my USB power meters turns out to not have a good connector, making my initial impression much worse.) I enclose some measured voltages with an adjustable USB load, from no load up to I=3.0 amps. It does not get very warm. Peak efficiency is 0.89 at 1 A, and it is still 0.82 at 3 A output. Quiescent draw (no output load) is 6 mA at 12.3 V input. I wish the MFR would publish this kind of data but I guess they figure no one cares.

I bought the 2 pack as I was skeptical about the quality/reliability with buck converters. I wired this in my pickup to provide a power source for USB-A and USB-C charge ports. Puts out 5.08V. I have not checked the amperage, however my iPhone 16 and iPad charge normally without issue. Unless I post an addition to this review, assume it’s still working without issue.

so for all you people that like to add toys to your vehicles and hide them, this is the way to go, you can tap in to your rearview mirror cable and run you this in your headliner and not have any cables hanging down in the window or have to run that cable across and down to the cigarette lighter plug for your dash cams or radar detector or even you phone mount power cords.

Using 12.5V input the no load current is 0.4 mA

If you have a camera that uses USB for power this device is a good way to provide power to a remote location. Used at the camera you can feed 12 volts from a wall power supply and then drop it to 5 volts at the camera.

One immediately started to smoke

Would be a great product, only one of the two they shipped me doesn’t work. I’ve only just wired it in, so I cannot speak to the longevity. Given the fact that they gave me a bad one, my expectations are rather low.

Monté dans mon camping-car. Simple à installer et fonctionne sans émettre de lumière qui empêche de dormir.