A battery module includes a battery cell stack including a plurality of battery cells, a plurality of busbars electrically connecting the plurality of battery cells, and a module housing made of a synthetic resin material, and including a busbar holder por...

A first case 11 includes protruding portions 11d to 11g on an opening end edge parts. Interlocking holes 11d1 to 11g1 are formed in the protruding portions 11d to 11g, respectively. Pairs of inner plates 11i1 to 11l2 are arranged on opening interior parts ...