My Mac charger can charge my quest 2.
But my quest 2 won’t charge my mac.
My cheap crappy Bluetooth headphones will charge with their usbC cable plugged into generic usb wall charger.
But will not charge with my Mac charger?
All USB C’s not created equally?
In: 0
Yes, all USB-C are not created equally. USB-C is just a connector, it doesn’t tell you how the actual wires are laid out.
High end USB-C can handle lower end stuff pretty much fine, but low end can be pretty useless for the high end devices.
The great thing about USB-C is that it’s a standard and widely-supported physical size. Also great is that you can plug them in upside down and they still work.
Unfortunately though, what’s inside the USB-C port and/or cable can vary wildly. It’s beyond frustrating because you have no idea if a cable will work properly or not as there are multiple standards. Different voltages, data speeds, etc.
USB-C has different power levels coming from the source, and different cables necessary to carry that power. It’s not the one standard to rule them all that they say it is.
To clarify for your actual question: the MacBook charger is only delivering 20v “USB PD” (power delivery).
Your headphones probably only accept 5v usb power, which isn’t energized on the Apple power adapter.
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