A vehicle-side connector to be connected to a battery mounted in a vehicle, comprising: a housing configured such that a charging connector is connected thereto from front; a plurality of vehicle-side terminals (40, 40B, 40C) individually accommodated into a plurality of cavities (28, 28B, 28B) provided in the housing and configured to be individually connected to a plurality of charging terminals provided in the charging connector when the housing and the charging connector are connected; and a relay circuit unit accommodated in an accommodating portion provided in the housing and having one end connected to one of the plurality of vehicle-side terminals (40, 40B, 40C) and the other end connected to the vehicle-side terminal (40, 40B, 40C) different from that connected to the one end out of the plurality of vehicle-side terminals (40, 40B, 40C), wherein: the relay circuit unit includes an electronic component with a pair of leads, a first relay terminal to be connected to one of the leads and a second relay terminal to be connected to the other lead; the leads are pressed from front by pressing portions provided in the accommodating portion to be respectively connected to lead connecting portions provided on the first and second relay terminals when the relay circuit unit is accommodated into the accommodating portion; and the lead connecting portion includes a lead insertion hole through which the lead is inserted and a pressure contact blade to be brought into pressure contact with the lead pushed by being pressed by the pressing portion, characterized in that the first and second relay terminals include a terminal connecting portion protruding into the cavity (28, 28B, 28B) and resiliently displaceable; the terminal connecting portion resiliently comes into contact with the vehicle-side terminal (40, 40B, 40C) when the vehicle-side terminal (40, 40B, 40C) is accommodated into the cavity (28, 28B, 28B); and the vehicle-side terminal (40, 40B, 40C) is insertable into the cavity (28, 28B, 28C) from behind. a housing configured such that a charging connector is connected thereto from front; a plurality of vehicle-side terminals (40, 40B, 40C) individually accommodated into a plurality of cavities (28, 28B, 28B) provided in the housing and configured to be individually connected to a plurality of charging terminals provided in the charging connector when the housing and the charging connector are connected; and a relay circuit unit accommodated in an accommodating portion provided in the housing and having one end connected to one of the plurality of vehicle-side terminals (40, 40B, 40C) and the other end connected to the vehicle-side terminal (40, 40B, 40C) different from that connected to the one end out of the plurality of vehicle-side terminals (40, 40B, 40C), wherein: the relay circuit unit includes an electronic component with a pair of leads, a first relay terminal to be connected to one of the leads and a second relay terminal to be connected to the other lead; the leads are pressed from front by pressing portions provided in the accommodating portion to be respectively connected to lead connecting portions provided on the first and second relay terminals when the relay circuit unit is accommodated into the accommodating portion; and the lead connecting portion includes a lead insertion hole through which the lead is inserted and a pressure contact blade to be brought into pressure contact with the lead pushed by being pressed by the pressing portion, the relay circuit unit includes an electronic component with a pair of leads, a first relay terminal to be connected to one of the leads and a second relay terminal to be connected to the other lead; the leads are pressed from front by pressing portions provided in the accommodating portion to be respectively connected to lead connecting portions provided on the first and second relay terminals when the relay circuit unit is accommodated into the accommodating portion; and the lead connecting portion includes a lead insertion hole through which the lead is inserted and a pressure contact blade to be brought into pressure contact with the lead pushed by being pressed by the pressing portion, characterized in that the first and second relay terminals include a terminal connecting portion protruding into the cavity (28, 28B, 28B) and resiliently displaceable; the terminal connecting portion resiliently comes into contact with the vehicle-side terminal (40, 40B, 40C) when the vehicle-side terminal (40, 40B, 40C) is accommodated into the cavity (28, 28B, 28B); and the vehicle-side terminal (40, 40B, 40C) is insertable into the cavity (28, 28B, 28C) from behind.