POWER STORAGE CELL AND METHOD OF MANUFACTURING SAME

A power storage cell includes: an exterior container having a top surface, a bottom surface, and a side surface located between the top surface and the bottom surface; and an insulating film that covers at least the side surface of the exterior container. The insulating film has a juncture on the side surface of the exterior container, and the juncture on the side surface is heat-sealed. A heat-sealed portion on the side surface has a termination portion at a position separated from the top surface or the bottom surface of the exterior container.