Device and method for controlling energy of vehicle according to storage state level

An electric vehicle, comprising:

• a vehicle control system associated with a mechanical motion of the electric vehicle;
• a vehicle multimedia system associated with multimedia apparatuses installed within the electric vehicle;
• a service management system associated with a service using a mobile communication network;
• a battery to store electric energy;
• a battery management module to manage the battery;
• and
• an energy management system to determine a charging state level of the battery based on information about a battery state and information about a charging station, to generate control information corresponding to the charging state level using a predetermined state table, and to transmit the control information to the vehicle control system, the vehicle multimedia system, and the service management system,
• wherein each of the vehicle control system, the vehicle multimedia system, and the service management system controls a power usage of corresponding apparatuses based on the control information.