BATTERY PACK AND VEHICLE INCLUDING THE SAME

A battery pack according to an embodiment of the present disclosure includes a plurality of battery cells; a housing accommodating the plurality of battery cells; a plurality of bus bars electrically connecting the plurality of battery cells; and a first welding portion for coupling a first electrode terminal provided in each of the plurality of battery cells to the bus bar and a second welding portion for coupling a second electrode terminal provided in each of the plurality of battery cells to the bus bar, wherein at least one of the first welding portion and the second welding portion includes a region in which a laser welding line formed on the bus bar proceeds in a direction opposite to an extension direction of the welding portion.