Power Pack with unusual socket

摘要

A rechargeable (via lead 18) power pack 10 with a voltage converter producing a plurality of predetermined voltages and an output socket 14 such that the shape of plug inserted determines the output voltage. Preferably the socket shape is asymmetrical and has a plurality of live receptors (14a-d, fig 2) with each plug having pins positioned to engage the correct receptacle for the desired voltage. The power pack is "pocket sized" and easily transportable. It may also have a USB connection. Also disclosed is a plug adapter for power pack and a light emitting accessory, both of which fit into the socket.