Set of Side Ridges of a Portable Power Device

FIG. 1 is a front perspective view of a set of side ridges of a portable power device of our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dot-dash broken lines depict boundaries and form no part of the claimed design. The dot-dot broken lines in the drawings illustrate portions of the article that form no part of the claimed design.