Energy storage device

Description

FIG. 1 is a perspective view of an energy storage device of the present design;

FIG. 2 is another perspective view of the energy storage device of the present design;

FIG. 3 is a front side view thereof;

FIG. 4 is a rear side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is an enlarged view of FIG. 2;

FIG. 10 is another enlarged view of FIG. 2; and,

FIG. 11 is a third enlarged view of FIG. 2.

The dashed broken lines in the drawings represent portions of the energy storage device that form no part of the claimed design. The dot-dash broken lines depict the boundaries of the enlargements and form no part of the claimed design.

Claims

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