Hand-held electronic device, battery with connector, battery lid, connector and connector disconnection preventing method

An electronic device includes a battery accommodating portion in which a battery unit is accommodated. A male connector is provided on wires drawn-out from a main unit of the battery unit, and the male connector is inserted (connected) to a female connector which is fixed on a circuit board provided within a housing, and a battery lid is attached to the housing. The battery lid is provided with a projection on a surface which is rendered as an inner surface side when the battery lid is attached, and the projection prevents a connection state of the male connector and the female connector from being disconnected. That is, the projection restrains a movement of the male connector in a direction that the male connector comes out.