Battery device

Abstract

To provide a battery device which enables improvement of workability during assembly even if downsizing is achieved.SOLUTION: A battery device 10 includes a case body 21 which houses multiple unit cells 12 therein. Further, the battery device 10 has: a connector attachment part 28 where a connector 13 is disposed at the upper end side of an inner surface of a peripheral surface part of the case body 21, and an attached part 31 which is provided protruding from the connector attachment part 28 to an opening of the case body. The battery device 10 further includes a lid 21 which is disposed at the upper surface side of the case body 21 and has an attachment part 32 configured to engage with the attached part 31.SELECTED DRAWING: Figure 3