I need a new power supply for my Pi 4.
Somewhen I will use a Raspberry Pi 5, but it needs the quite special Raspberry Pi 5 power supply.
Is the Raspberry Pi 5 PSU (officially) compatible to the Raspberry Pi 4?
To make this clear: I know, the Voltage is the same, but at least early Pi 4 like mine, hat a quirk in the power delivery support. So this question is more about "will the protocol allow the Pi 4 to work without changing the hardware" and less about "is the voltage the same and the max. current enough".
