A battery pack includes a plurality of battery modules; and a pack case configured to house the plurality of battery modules, the pack case including a first plate covering one surface of the plurality of battery modules and a second plate covering the other surface of the plurality of battery modules. A first gasket is along an edge of the first plate, and a second gasket is along an edge of the second plate. The first gasket and the second gasket overlap each other in a region where one edge of each of the first plate and the second plate contact each other.