BATTERY MODULE WITH BUS BAR LINE

A belt-shaped bus bar line is disposable on a plurality of transversely juxtaposed electric cells in the direction in which the cells are juxtaposed, each electric cell having positive and negative electrode terminals; the bus bar line comprises: a plurality of bus bars (20A, 20B) for electrically connecting the electrode terminals of electric cells adjacent to each other, a first insulating resin portion (22A) formed by heat laminating a film made of an insulating resin, the first insulating resin portion (22A) connecting the plurality of bus bars (20A, 20B) ; and a projection disposing clearance (23) provided between the adjacent bus bars (20A, 20B), such that a projection of a separator is disposable in the projection disposing clearance (23).