BATTERY MODULE

A battery module includes a housing; one or more battery cells arranged in the housing and including a cell terminal; a bus bar holder above the one or more battery cells and including an opening through which the cell terminal is exposed; and a bus bar supported by the bus bar holder, connected to the cell terminal, and including a first surface and a second surface located in a direction opposite to the first surface, and the bus bar holder includes a first support portion that is in contact with the first surface, and a second support portion spaced apart from the first support portion and in contact with the second surface.