BATTERY MODULE, BATTERY PACK, AND VEHICLE

Disclosed is a battery module, which includes a plurality of battery cells respectively having electrode terminals and configured to be erected long in an upper and lower direction, an upper cover having a plurality of exposing holes formed to expose the upper portion of each of the plurality of battery cells to the outside at least partially, a lower cover having a plurality of exposing holes formed to expose the lower portion of each of the plurality of battery cells to the outside at least partially, and a filling member having electric insulation and filled in the plurality of exposing holes to seal the plurality of exposing holes formed in at least one of the upper cover and the lower cover.