Abstract: The invention is a power converter that coverts audio signal energy into a regulated DC power. The invention uses the audio output sources available on most modern transportation systems such as airplanes, trains and busses and converts the electrical output of those sources to an electrical output that can be used to recharge or allow extended use of various portable electronic devices. The main components of the invention include a rectifier section which is designed to rectify and amplify input AC signal energy. This is followed by a current storage section which accumulates the input energy and determines if the stored energy is sufficient to be output to the regulator component. The regulator component converts stored energy component signal into regulated DC output.