Energy storage and power supply device

FIG. 1 is a front perspective view of a first embodiment of an energy storage and power supply device showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front perspective view of a second embodiment of an energy storage and power supply device showing our new design;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The energy storage and power supply device in FIGS. 8-14 has been shown with symbolic breaks in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.

The broken lines shown represent unclaimed subject matter and forms no part of the claimed design. The broken dash-dot lines show the unclaimed boundaries between claimed and unclaimed portions of the design and form no part of the claimed design.