ELECTRICAL STORAGE DEVICE

Provided is an electrical storage device that enables a reduction in workload and work risk and thus allows a battery unit to be simply and safely removed from and attached to the electrical storage device. An electrical storage device (1) comprises a housing structure (50) having battery unit housing portions (53) each for housing a battery unit (70) and an attaching object (51), a plurality of connectors (10) attached to the attaching object (51), and conductive members (54) connecting between the connectors (10). The connectors (10) are attached to the attaching object (51) on the battery unit housing portion (53) side. The conductive members (54) connect between the adjacent ones of the connectors (10) on the battery unit housing portion (53) side.