Patent ID: 8211567

Claim:
A sealed battery comprising: a battery container that has an opening portion in at least an end portion of the battery container, and a container folded-back portion that is formed in a peripheral edge of the opening portion; a lid body which has a lid body folded-back portion that is formed in an outer periphery of the lid body, and which is attached to the opening portion of the battery container; a junction portion in which the container folded-back portion of the battery container and the lid body folded-back portion of the lid body are integrally joined with each other by a double-rolled seam method; a first seal member that closes a first gap between a distal end portion of the container folded-back portion and an inside of a folded curve portion of the lid body folded-back portion, the container folded-back portion clamping a distal end portion of the lid body folded-back portion; and a second seal member that closes a second gap between the distal end portion of the lid body folded-back portion and an inside of a folded curve portion of the container folded-back portion; wherein the first seal member is separate from the second seal member.