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 . <EOS>