A vehicle that is chargeable using power from an external power source , comprising: a chargeable electric storage device ; a charging device for charging the electric storage device by using the power from the external power source ; and a control device configured so that, based on maximum supply power that is able to be supplied to the electric storage device and based on actual charge power actually supplied to the electric storage device , it calculates a shortfall with respect to charge power supplied to the electric storage device in a case where charging is performed at the maximum supply power; and characterized in that the control device is configured to calculate, as a value based on the shortfall, an amount of an extension from a charging time required in the case where charging is performed at the maximum supply power, and to store, as information on a factor for the extension, the information relating to a causal factor for the shortfall, the information including the causal factor for the shortfall including a shortage of the charge power arising from a limitation imposed on output power of the charging device to protect the charging device against overheating, as well as the information on the extension amount that arises from the shortfall, when an accumulated value, which results from accumulating over time a value based on the shortfall calculated for every predefined sampling period, exceeds a predefined threshold value; and in that the vehicle further comprises: a display device for displaying information that relates to the causal factor for the shortfall and that is stored in the control device , wherein the control device is configured so as to notify a user of the vehicle of the information by displaying the information on the display device . a chargeable electric storage device ; a charging device for charging the electric storage device by using the power from the external power source ; and a control device configured so that, based on maximum supply power that is able to be supplied to the electric storage device and based on actual charge power actually supplied to the electric storage device , it calculates a shortfall with respect to charge power supplied to the electric storage device in a case where charging is performed at the maximum supply power; and characterized in that the control device is configured to calculate, as a value based on the shortfall, an amount of an extension from a charging time required in the case where charging is performed at the maximum supply power, and to store, as information on a factor for the extension, the information relating to a causal factor for the shortfall, the information including the causal factor for the shortfall including a shortage of the charge power arising from a limitation imposed on output power of the charging device to protect the charging device against overheating, as well as the information on the extension amount that arises from the shortfall, when an accumulated value, which results from accumulating over time a value based on the shortfall calculated for every predefined sampling period, exceeds a predefined threshold value; and in that the vehicle further comprises: a display device for displaying information that relates to the causal factor for the shortfall and that is stored in the control device , wherein the control device is configured so as to notify a user of the vehicle of the information by displaying the information on the display device . <EOS>