POWER STORAGE DEVICE AND METHOD FOR FABRICATING POWER STORAGE DEVICE

An aspect of a fabrication method disclosed here includes a preparation step S of preparing a battery assembly and an injection step S of injecting an electrolyte into the battery assembly. In the injection step S, the electrolyte is injected from a liquid inlet inserted into an injection hole in a state where the battery assembly is placed with a sealing plate having the injection hole facing upward.