BATTERY MODULE, BATTERY PACK, AND VEHICLE INCLUDING THE SAME

A battery module includes a cell assembly including at least one battery cell, a module case in which the cell assembly is accommodated, and a connector mounted on the module case. The connector includes a connector terminal for electrical connection with the battery cell, a connector housing surrounding the connector terminal, a connector header body coupled to the connector housing and mounted on the module case in such a manner that at least a part of the connector header body is inserted into the module case, and a connector gasket located between the module case and the connector header body and having a melting point of 1000° C. or higher.