BATTERY MODULE AND BATTERY PACK COMPRISING SAME

A battery module according to an embodiment of the present invention includes: a battery cell stack in which a plurality of battery cells including protruded electrode leads are stacked; a module frame that houses the battery cell stack; and busbar frames disposed to a front and a rear of the battery cell stack where the electrode leads are protruded. The battery cell includes protrude portions respectively formed at both ends of a lower edge of the battery cell. At least one of the busbar frames includes a guide portion extending to a lower surface of the battery cell stack. A guide groove into which the protrude portion is inserted is formed in the guide portion, and the guide groove includes an adjusting portion of which a width becomes narrower from where the battery cell is positioned to where the busbar frame is positioned.