BATTERY PACK

A battery pack is provided which is capable of exhausting high-pressure gas from a desired position of a case. Battery pack includes: one or more secondary battery cells each of which includes an outer covering can with a safety valve; outer covering case that houses one or more secondary battery cells and includes a portion in which exhaust hole is provided for exhausting the high-pressure gas to outside when the safety valve of one of the one or more secondary battery cells is opened to exhaust the high-pressure gas; and label that is adhered to a peripheral edge of exhaust hole of outer covering case to close exhaust hole. Label includes an adhesive surface that is adhered to outer covering case, and the adhesive surface includes a portion in which rupture origin part is provided.