According to an embodiment, an electric storage apparatus includes an electric storage device, an abutment arranged in alignment with the electric storage device, wherein the abutment includes at least three members stacked together, each of the members has a positioning part having a first surface forming a recess and a back surface of the first surface forming a projection, the positioning parts of the members are arranged at positions corresponding to one another, and adjacent members are relatively positioned by inserting a positioning part of one of the adjacent members into a positioning part of the other of the adjacent members.