Energy storage device

Description

FIG. 1 is a front view of the energy storage device showing our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view thereof.

The broken lines in the drawings illustrate portions of the energy storage device that form no part of the claimed design.

Claims

The ornamental design for an energy storage device as shown and described.