A lighting unit 5 includes a lighting functional portion 7 and a light guide member 8. The lighting functional portion 7 includes a light source 9 and a light-transmissive housing 11. The light source 9 is constituted by a plurality of types of LEDs with different emission colors. The light guide member 8 is molded using a synthetic resin material having light permeability. The light guide member 8 has a light incidence portion 13, a light-emitting portion 14 provided at a charging port 3 of a housing 2, and an intermediate portion 15 that connects the light incidence portion 13 and the light-emitting portion 14 together. If the light-emitting portion 14 emits light with the guided light, the light-emitting portion can be caused to look like shining the charging port 3 of the housing 2.