A sealed battery comprising a battery lid with an electrode terminal, and a battery case containing a positive-electrode sheet and a negative-electrode sheet, which are arranged with a separator interposed there between, and an electrolytic solution, the battery lid comprising: - a lid member comprising an outer surface and an inner surface, and comprising an opening; - a packing (13, 13a, 13b) that includes a cylindrical portion penetrating through the opening of the lid member, an inner flange, and an outer flange; - an electrode connection terminal (3, 4, 5) that includes a base portion arranged on the inner surface of the lid member, a connection portion for connecting to the positive-electrode sheet or the negative-electrode sheet, and a rivet that projects from the base portion and penetrates through an inside opening of the cylindrical portion; - an external connection terminal (8, 8a, 8b) that is joined to the rivet on the outer surface of the lid member; - an internal insulating member (11, 11a, 11b) that is held between the base portion of the electrode connection terminal (3, 4, 5) and the inner surface of the lid member, and that has an opening; and - an external insulating member (10, 10a, 10b) that is held between the external connection terminal (8, 8a, 8b) and the outer surface of the lid member, and that has an opening, wherein - the rivet penetrates through the opening of the internal insulating member (11, 11a, 11b) and the opening of the external insulating member (10, 10a, 10b); - the cylindrical portion is closely in contact with the sidewall of the opening of the lid member on the outside, and is closely in contact with the rivet on the inside; - the inner flange is directly held between the base portion and the inner surface of the lid member; - the inner flange is provided in the opening of the internal insulating member (11, 11a, 11b); - the outer flange is directly held between the external connection terminal and the outer surface of the lid member, and - the outer flange is provided in the opening of the external insulating member (10, 10a, 10b). - a lid member comprising an outer surface and an inner surface, and comprising an opening; - a packing (13, 13a, 13b) that includes a cylindrical portion penetrating through the opening of the lid member, an inner flange, and an outer flange; - an electrode connection terminal (3, 4, 5) that includes a base portion arranged on the inner surface of the lid member, a connection portion for connecting to the positive-electrode sheet or the negative-electrode sheet, and a rivet that projects from the base portion and penetrates through an inside opening of the cylindrical portion; - an external connection terminal (8, 8a, 8b) that is joined to the rivet on the outer surface of the lid member; - an internal insulating member (11, 11a, 11b) that is held between the base portion of the electrode connection terminal (3, 4, 5) and the inner surface of the lid member, and that has an opening; and - an external insulating member (10, 10a, 10b) that is held between the external connection terminal (8, 8a, 8b) and the outer surface of the lid member, and that has an opening, wherein - the rivet penetrates through the opening of the internal insulating member (11, 11a, 11b) and the opening of the external insulating member (10, 10a, 10b); - the cylindrical portion is closely in contact with the sidewall of the opening of the lid member on the outside, and is closely in contact with the rivet on the inside; - the inner flange is directly held between the base portion and the inner surface of the lid member; - the inner flange is provided in the opening of the internal insulating member (11, 11a, 11b); - the outer flange is directly held between the external connection terminal and the outer surface of the lid member, and - the outer flange is provided in the opening of the external insulating member (10, 10a, 10b).