Energy storage device

Description

FIG. 1 is a front top perspective view of an energy storage device showing my new design;

FIG. 2 is a rear bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines depict 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.