Power Supply System

A system can include a power cable that includes a plug and a cord; and a power supply unit that includes wireless charging circuitry and a disk shaped body that includes a recess, a power connector disposed in the recess and a cable notch as a passage from the recess to an outer perimeter of the disk shaped body, where the power connector is electrically coupled to the wireless charging circuitry and where the plug couples to the power connector and the cord passes through the cable notch.