A plug-in vehicle configured to connect to a charging station having a station connector, the plug-in vehicle comprising: an electric storage unit configured to store electric power from the charging station; a plug-in vehicle connector configured to connect to the charging station configured to store the electric power in the electric storage unit; and an identification reader that is coupled to the plug-in vehicle connector configured to read a unique identifier presented by the charging station, whereby the identification reader includes an RFID reader (129, 270) that is configured to: read an RFID tag (119, 212, 212a, 212b, 212c) associated with the charging station to acquire the unique identifier of the charging station when positioned in an operational range of the RFID tag (119, 212, 212a, 212b, 212c), broadcast a transmission to acquire unique identifiers of charging stations and receive, from each respective charging station receiving the broadcast transmission, a return transmission indicating a unique identifier of the respective charging station, and the RFID reader (129, 270) further includes: a signal level measurement unit that measures return signal strength of each return transmission from a respective charging station; and a closest charging station determination unit for determining a closest charging station based on the measured returned signal strength of each return transmission. an electric storage unit configured to store electric power from the charging station; a plug-in vehicle connector configured to connect to the charging station configured to store the electric power in the electric storage unit; and an identification reader that is coupled to the plug-in vehicle connector configured to read a unique identifier presented by the charging station, whereby the identification reader includes an RFID reader (129, 270) that is configured to: read an RFID tag (119, 212, 212a, 212b, 212c) associated with the charging station to acquire the unique identifier of the charging station when positioned in an operational range of the RFID tag (119, 212, 212a, 212b, 212c), broadcast a transmission to acquire unique identifiers of charging stations and receive, from each respective charging station receiving the broadcast transmission, a return transmission indicating a unique identifier of the respective charging station, and read an RFID tag (119, 212, 212a, 212b, 212c) associated with the charging station to acquire the unique identifier of the charging station when positioned in an operational range of the RFID tag (119, 212, 212a, 212b, 212c), broadcast a transmission to acquire unique identifiers of charging stations and receive, from each respective charging station receiving the broadcast transmission, a return transmission indicating a unique identifier of the respective charging station, and the RFID reader (129, 270) further includes: a signal level measurement unit that measures return signal strength of each return transmission from a respective charging station; and a closest charging station determination unit for determining a closest charging station based on the measured returned signal strength of each return transmission.