POWER STORAGE DEVICE AND POWER STORAGE MODULE

A power storage device 1 is provided with a plurality of cylindrical electrode bodies and a film outer package 4. The film outer package 4 comprises a plurality of containers 12 and a seal 14. The plurality of containers 12 individually encase the plurality of electrode bodies, and the seal 14 seals the containers 12 and connects the plurality of containers 12 to each other. The film outer package 4 extends in a zig-zag manner with bends or curves between adjacent containers 12.