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> usbc chargers are not supposed to even have 5V output until a device requests it.

I did not know that, thanks. I was expecting USB-C chargers to work in "dumb 5V mode" by default. I guess that could be to avoid problems if you connect two chargers together?



I think that is why usb-a (male) to usb-c (female) adapters are not supposed to exist. They might let you connect two usb-a chargers together using a usb-c cable, and they are not designed to tolerate that.




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