An energy storage apparatus includes an energy storage unit including a plurality of energy storage devices, a first power cable connected to one of a positive electrode connection terminal of the energy storage unit and a negative electrode connection terminal of the energy storage unit and extending from an end portion of the energy storage unit to an outside of the energy storage unit, and a second power cable connected to the other of the positive electrode connection terminal and the negative electrode connection terminal and extending from the end portion of the energy storage unit to the outside of the energy storage unit. The first power cable includes a first connector. The second power cable includes a second connector including a structure which allows direct connection to the first connector. The first power cable is placed in a posture which inhibits connection between the first connector and the second connector.