Battery Module and Battery Pack Including the Same

A battery module includes: a battery cell stack in which a plurality of battery cells are stacked; an insulation plate covering a front surface or a rear surfaces of the battery cell stack; a busbar frame formed between the battery cell stack and the insulation plate; a sensing member connected to the busbar frame on an upper side of the battery cell stack; and side surface plates covering respective side surfaces of the battery cell stack, wherein each of the side surface plates includes a mounting part formed on an outer surface thereof, wherein a lower surface of the battery cell stack is opened, outermost battery cells of the plurality of battery cells and the side surface plates are coupled to each other, respectively, and the insulation plate is coupled with the busbar frame or at least one of the side surface plates to fix the plurality of battery cells.