A battery assembly module according to one embodiment of the present invention includes an upper cover having coupling holes formed at a plurality of locations therein, a lower cover disposed to correspond to the upper cover and having coupling holes formed at a plurality of locations therein, a plurality of pouch cells to which electrodes are connected to one side and the other side thereof and which store or supply electricity, a plurality of cartridges stacked and accommodating the plurality of pouch cells, and a plurality of caulking pipes fixedly coupling the plurality of cartridges accommodating the pouch cells between the upper cover and the lower cover.