When a management device receives battery exchange demand information from a first vehicle, the management device specifies at least one exchange partner candidate which is a vehicle providing a battery exchange with the first vehicle, transmits battery exchange request information to the exchange partner candidate, specifies, when receiving a battery exchange acceptance signal from a second vehicle, a battery exchange place based on location information about each of the first vehicle and the second vehicle, creates exchange instruction information including position information about the battery exchange place, and transmits the exchange instruction information to the first vehicle and the second vehicle.