A battery charging system for an electric vehicle in which an addressable RFID tag, an RFID receiver, an electrical charger, and a controller operate to charge the battery of an electric vehicle according to a user profile and a charging profile in response to a signal received by the RFID reader from the RFID tag. In an interconnected system, multiple charging stations are connected to the electrical power grid and communicate with a central controller through communications links. A grid converter can be provided to allow for backfilling power from an electric vehicle to the power grid in response to a command from the central controller.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
 This invention was made with Government support under Grant No. DE-OE0000192, awarded by the United States Department of Energy. The Government has certain rights in this invention.