VEHICLE

A processor of a control device of a vehicle performs control to set a first switch to an on state such that power generated by a solar photovoltaic power generation device is supplied to a high-voltage battery while the vehicle is in a ready-to-travel state; in response to a transition from the ready-to-travel state to a parked state, derives a predicted idle time indicating a predicted value of a time for which the vehicle is left idle; determines whether the predicted idle time is longer than a specific time including a polarization elimination time for eliminating polarization of the high-voltage battery; and when it is determined that the predicted idle time is longer than the specific time, performs control to set the first switch to an off state and a second switch to an on state such that the power is supplied to the low-voltage battery.