Raspberry Pi 4 doesn't work with some USB-C chargers
 

The Raspberry Pi 4 promises to be a boon for homebrew gadget makers, but it has flaw that could pose headaches for some users. Tyler Ward and others have discovered that the Pi 4 isn't using a properly designed USB-C port. Instead of giving two pins...

https://www.engadget.com/2019/07/09/...tandard-usb-c/