Connector

The present invention provides a connector that has a simple and inexpensive structure and is structured to not only connect two objects to be connected, but also to connect to a battery. This connector (20) comprises: a plurality of contacts (22) which have a first and a second contact piece (221, 223) provided with a first and a second contact part (222, 224) that come into contact with conductor parts (301, 321) of two objects to be connected (30, 32), and which have a connecting part (226) that is connected and fixed to a substrate; a housing (24) that holds the plurality of contacts (22) and has three insertion openings (15-17) that have a shape such that the two objects to be connected (30, 32) and a battery (34) can be respectively inserted from the same direction; and a terminal (26) that is disposed in a position in the housing (24) spaced apart from the plurality of contacts (22) in the width direction W of the housing (24), and that has a third and a fourth contact piece (261, 263) which are respec