A charging system for charging an electrically powered vehicle, the charging system comprising: a charging station; and a charging network server remote from the charging station and in network communication with the charging station and with a mobile device application; wherein each of the charging station and the charging network server comprises a computing device configured to store, process, and receive data for authorizing charging of the electrically powered vehicle, the computing devices programmed to: store an authorization code at each of the network server and the charging station for authorizing charging of the electrically powered vehicle when the charging station is off-line from the charging network server; process a charging authorization request at the charging network server sent from the mobile device application; transmit the authorization code from the network server to the mobile device application responsive to the charging authorization request and when the charging station is determined to be off-line from the charging network server; and selectively authorize or deny charging of the electrically powered vehicle by the charging station upon inputting of an authorization code to the charging station by a user based on whether the input authorization code matches the authorization code stored on the charging station. a charging station; and a charging network server remote from the charging station and in network communication with the charging station and with a mobile device application; wherein each of the charging station and the charging network server comprises a computing device configured to store, process, and receive data for authorizing charging of the electrically powered vehicle, the computing devices programmed to: store an authorization code at each of the network server and the charging station for authorizing charging of the electrically powered vehicle when the charging station is off-line from the charging network server; process a charging authorization request at the charging network server sent from the mobile device application; transmit the authorization code from the network server to the mobile device application responsive to the charging authorization request and when the charging station is determined to be off-line from the charging network server; and selectively authorize or deny charging of the electrically powered vehicle by the charging station upon inputting of an authorization code to the charging station by a user based on whether the input authorization code matches the authorization code stored on the charging station. store an authorization code at each of the network server and the charging station for authorizing charging of the electrically powered vehicle when the charging station is off-line from the charging network server; process a charging authorization request at the charging network server sent from the mobile device application; transmit the authorization code from the network server to the mobile device application responsive to the charging authorization request and when the charging station is determined to be off-line from the charging network server; and selectively authorize or deny charging of the electrically powered vehicle by the charging station upon inputting of an authorization code to the charging station by a user based on whether the input authorization code matches the authorization code stored on the charging station.