A charging device (100) assigns an area ID, which is information that the charging device uses to determine the presence of a vehicle (200), to a charging area BS and transmits the assigned area ID. Based on a return of the transmitted area ID from the vehicle 200, the charger (100) pairs, which is a communication link setting, between the charger (100) and the vehicle (200). The charging device (100) then performs energy management of the electrical energy transmitted from the charging area BS to the vehicle (200) in a contactless manner by wireless communication between the paired vehicle (200) and the charging device (100).
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