Patent ID: 7667430

Claim:
A power storage apparatus in which a plurality of connected power storage modules is mounted, and which can charge or discharge an electric power: wherein a housing is partitioned by a partition plate to be divided into a power storage area and a control device area; in said power storage area, an opening is formed, and said power storage modules are contained; in said control device area, an opening is formed, and a switching protective device section acting to switch and protect said power storage modules is contained; a main circuit wiring from said power storage modules for charging or discharging an electric power is led out of said control device area via said switching protective device section; the opening of said power storage area is covered with a detachable cover; the opening of said control device area is covered with a detachable cover independent of said cover of the opening of said power storage area; said power storage modules are mounted on pallets provided in said power storage area in such a way as to form a plurality of stages; said pallets are held by guide rails fixed in said power storage area; and when said cover of the opening of said power storage area is removed, said pallets on which said power storage modules are mounted can be pulled out of said power storage area, by being slid along said guide rails.