Power storage apparatus

A power storage apparatus includes: a first end component and a second end component that interpose power storage devices in a first direction; and a first side component and a second side component that interpose the power storage devices in a second direction. The first end component includes a first end connector connected to the first side component and a second end connector connected to the second side component. The first side component includes a first side connector connected to the first end connector. The second side component includes a second side connector connected to the second end connector. The first end connector and the first side connector overlap one another in the first direction, and are joined. The second end connector and the second side connector overlap one another in the second direction, and are joined.