A sealed battery comprising: a battery case; an external terminal including a hollow portion that communicates an inside of the battery case with an outside of the battery case; a collector terminal arranged inside the battery case; and a pressure type current interrupting mechanism provided between the external terminal and the collector terminal, the pressure type current interrupting mechanism including an inverted plate, the inverted plate being configured to seal off the inside of the battery case further inside the battery case than the collector terminal of the battery case, and the pressure type current interrupting mechanism being configured to electrically disconnect the external terminal from the collector terminal by the inverted plate deforming according to an increase in pressure inside the battery case, characterized by further comprising: a protruding member being arranged between the external terminal and the inverted plate, the protruding member protrudes toward the inverted plate, the protruding member has a through-hole that is communicated with the hollow portion of the external terminal, and the hollow portion of the external terminal is configured to be communicated with the inside of the battery case further inside the battery case than the collector terminal of the battery case, via the through-hole of the protruding member, by the protruding member piercing the inverted plate when the pressure type current interrupting mechanism is activated. a battery case; an external terminal including a hollow portion that communicates an inside of the battery case with an outside of the battery case; a collector terminal arranged inside the battery case; and a pressure type current interrupting mechanism provided between the external terminal and the collector terminal, the pressure type current interrupting mechanism including an inverted plate, the inverted plate being configured to seal off the inside of the battery case further inside the battery case than the collector terminal of the battery case, and the pressure type current interrupting mechanism being configured to electrically disconnect the external terminal from the collector terminal by the inverted plate deforming according to an increase in pressure inside the battery case, a pressure type current interrupting mechanism provided between the external terminal and the collector terminal, the pressure type current interrupting mechanism including an inverted plate, the inverted plate being configured to seal off the inside of the battery case further inside the battery case than the collector terminal of the battery case, and the pressure type current interrupting mechanism being configured to electrically disconnect the external terminal from the collector terminal by the inverted plate deforming according to an increase in pressure inside the battery case, a protruding member being arranged between the external terminal and the inverted plate, the protruding member protrudes toward the inverted plate, the protruding member has a through-hole that is communicated with the hollow portion of the external terminal, and the hollow portion of the external terminal is configured to be communicated with the inside of the battery case further inside the battery case than the collector terminal of the battery case, via the through-hole of the protruding member, by the protruding member piercing the inverted plate when the pressure type current interrupting mechanism is activated.