BATTERY MODULE

In order to enhance the safety of a battery module, the battery module includes: battery stack (2) configured to have a plurality of stacked batteries (4), batter stack (2) including valve portion (18) that releases a gas generated in each battery (4) and output terminal (16); a plurality of bus bars (28) configured to electrically connect output terminals (16) of the plurality of batteries (4), the plurality of bus bars (28) grouping the plurality of batteries (4) into a plurality of battery units (36) including at least two batteries (4), the plurality of bus bars (28) connecting in parallel output terminals (16) of batteries (4) in each battery unit (36), the plurality of bus bars (28) connecting in series battery units (36); and metal filter (34) configured to be disposed between valve portion (18) and output terminal (16) in a first direction in which valve portion (18) and output terminal (16) are arranged and disposed, in stacking direction (X) of batteries (4), within an extension range of battery (4) belonging to a first terminal group to which a first bus bar of bus bars (28) is fixed.