A straddle-type electric vehicle, comprising: a charge receptacle having: a connection port with which a charge plug is fitted; and an electrical communication terminal (72a, 72f) adapted to be connected with an electrical communication terminal (78a, 78f) of the charge plug; a lid configured to open or close the connection port; a battery connected to the electrical communication terminal (72a, 72f) so as to be able to establish electrical communication therewith; an electrical communication controller configured to control the electrical communication between the electrical communication terminal (72a, 72f) and the battery; a signal line connected to the electrical communication controller; and a signal changer configured to change a state of a signal carried by the signal line, wherein the lid is provided with a contact portion configured to come in contact with, when the charge plug fitted with the connection port is removed therefrom, the charge plug or a hand of an operator who removes the charge plug, whereby changing a state that the lid is opened or closed; characterized in that the signal changer is a switch provided with a button portion; wherein a lid comprises a projection configured to be pressed against the button portion when the lid is opened to a predetermined degree or more; wherein the switch is configured to change the state of the signal carried by the signal line when the button portion is pressed by the projection; wherein the electrical communication controller is configured to interrupt or limit the electrical communication between the charge receptacle and the battery in accordance with the state of the signal; and wherein the contact portion is configured to open the lid to the predetermined degree or more before the connection between the electrical communication terminal (78a, 78f) of the charge plug and the electrical communication terminal (72a, 72f) of the charge receptacle is established or canceled. a charge receptacle having: a connection port with which a charge plug is fitted; and an electrical communication terminal (72a, 72f) adapted to be connected with an electrical communication terminal (78a, 78f) of the charge plug; a lid configured to open or close the connection port; a battery connected to the electrical communication terminal (72a, 72f) so as to be able to establish electrical communication therewith; an electrical communication controller configured to control the electrical communication between the electrical communication terminal (72a, 72f) and the battery; a signal line connected to the electrical communication controller; and a signal changer configured to change a state of a signal carried by the signal line, wherein the lid is provided with a contact portion configured to come in contact with, when the charge plug fitted with the connection port is removed therefrom, the charge plug or a hand of an operator who removes the charge plug, whereby changing a state that the lid is opened or closed; characterized in that the signal changer is a switch provided with a button portion; wherein a lid comprises a projection configured to be pressed against the button portion when the lid is opened to a predetermined degree or more; wherein the switch is configured to change the state of the signal carried by the signal line when the button portion is pressed by the projection; wherein the electrical communication controller is configured to interrupt or limit the electrical communication between the charge receptacle and the battery in accordance with the state of the signal; and wherein the contact portion is configured to open the lid to the predetermined degree or more before the connection between the electrical communication terminal (78a, 78f) of the charge plug and the electrical communication terminal (72a, 72f) of the charge receptacle is established or canceled.