Electrified vehicle and electrified vehicle system

An electrified vehicle system, comprising:

• a power station configured to be compatible with at least one version of a predetermined communication standard;
• and
• an electrified vehicle configured to perform power control including either or both of charging from the power station and power supply to the power station, wherein
• the electrified vehicle includes a communication unit and a control unit, the communication unit being configured to be compatible with a plurality of the versions of the predetermined communication standard, and the control unit being configured to control the communication unit in such a manner that power control protocol communication between the electrified vehicle and the power station is performed using the predetermined communication standard,
• the communication unit is configured to acquire information on a result of a past power control protocol communication for each of the plurality of versions, and
• the control unit is configured to decide the version to be used for the power control protocol communication based on the information of the result.