Power storage device and a portable apparatus

A power storage device comprising:

• a power generation unit including an anode, a cathode, and an electrolyte;
• a sealing bag for enclosing said power generation unit;
• an anode lead having one end electrically connected to said anode and the other end projected out of said sealing bag;
• and
• a cathode lead having one end electrically connected to said cathode and the other end projected out of said sealing bag,
• wherein said sealing bag includes
• a first sheet composed of a composite packaging material and a second sheet composed of the composite packaging material, which face each other;
• and
• spacers made of synthetic resin, the spacers being arranged between a face of the first sheet facing the second sheet and a face of the second sheet facing the face of the first sheet to secure space for accommodating said power generation unit, and
• wherein said spacers are arranged at least on edges of said face of the first sheet facing said second sheet.