The Raspi manufacturer is launching a USB-C power supply with 45 watts of charging power. It is slightly more expensive than the previous 27-watt version.

This handshaking approach supports voltage steps at 5V, 9V, 15V, 20V, and beyond for power outputs ranging from 0.5W to 240W. The newer USB Power Delivery Programmable Power Supply (USB PD PPS ...

The PC power supply has been a standard of the junk box for the last couple of decades, and will probably continue to be for the foreseeable future. A product that is often built to a very high ...