Power storage device

A power storage device comprising:

• a power storage module;
• a housing case having a housing space formed therein and configured to house the power storage module in the housing space;
• a cooler arranged in the housing case and configured to cool air sent toward the power storage module;
• a storage portion configured to store condensation water generated as a result of cooling by the cooler;
• and
• an air permeable film configured to allow a vapor generated from the condensation water stored in the storage portion to pass therethrough,
• the storage portion and the air permeable film being provided in a separated space separated from the housing space,
• the vapor passing through the separated space and reaching the air permeable film, wherein
• the housing case includes a bottom portion provided with an opening,
• the storage portion includes a bottom wall portion provided to cover the opening from a lower side of the bottom portion and facing the bottom portion, and a peripheral wall portion provided to rise from a peripheral edge of the bottom wall portion and connected to the bottom portion,
• the bottom wall portion includes a storage surface defining a storage region where the condensation water having passed through the opening is stored, and a placement surface located above the storage surface and having the air permeable film placed thereon, and
• the placement surface is located below the bottom portion of the housing.