Battery Module and Battery Pack Comprising Same

A battery module includes a stack of battery cells in which a plurality of battery cells are stacked, an end plate covering a front surface or a rear surfaces of the stack of battery cells, a busbar frame formed between the stack of battery cells and the end plate, a sensing member connected to the busbar frames on an upper side of the stack of battery cells, an insulating plate formed between the end plate and the busbar frame, and side plates covering respective side surface of the stack of battery cells, wherein mounting portions are formed at opposing side ends of the end plate, wherein a lower surface of the stack of battery cells is opened, and wherein the plurality of battery cells are fixed by coupling outermost battery cells of the stack with the side plates, respectively, and coupling the side plates with the end plate.