BATTERY MODULE

A battery module according to the present disclosure includes: a cell assembly that includes at least one battery cell; an upper plate that covers one side of the cell assembly, and includes a hinge pin at at least one corner thereof; and a bus-bar frame that covers the other side, which neighbors the side of the cell assembly, covered by the upper plate, and coupled to the upper plate by including a hinge coupling portion that is coupled with the hinge pin, wherein the hinge coupling portion comprises a hinge pin receiving portion where the hinge pin is received and a hinge pin cover portion that covers the hinge pin, and one of the hinge pin and the hinge coupling portion comprises a coupling protrusion portion, and the other comprises a coupling groove portion corresponding to the coupling protrusion portion.