| 摘要 |
A charger 20 includes a charging unit 22 that charges a secondary battery of an EV 50, and a charger condition acquisition unit 23 that detects completion of a charging operation performed on the secondary battery and detects an operation relating to departure of the EV 50 from a charging space following the charging operation. A server apparatus 40 includes a charger condition monitoring unit 45 that monitors a condition of the charger 20 upon reception of a notification from the charger 20 indicating that completion of the charging operation and the operation relating to departure of the EV 50 from the charging space have been detected, and a parking fee calculation unit 43 that calculates a parking time of the EV 50 on the basis of a timing at which completion of the charging operation is detected and a timing at which the operation relating to departure of the electric vehicle from the charging space is detected, and calculates a parking fee to be charged to a user on the basis of the parking time. |
