FIG. 1 is a perspective view of a first embodiment of an ornamental design for a portable solar power supply showing our new design;
FIG. 2 is a perspective view viewed from another angle thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear 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 a perspective view of a second embodiment of an ornamental design for a portable solar power supply showing our new design;
FIG. 10 is a front view thereof;
FIG. 11 is a perspective view of a third embodiment of an ornamental design for a portable solar power supply showing our new design; and,
FIG. 12 is a front view thereof.
Perspective view viewed from another angle, rear view, left side view, right side view, top view and bottom view of the second embodiment have been omitted since they are identical to FIGS. 2, 4, 5, 6, 7 and 8, respectively.
Perspective view viewed from another angle, rear view, left side view, right side view, top view and bottom view of the third embodiment have been omitted since they are identical to FIGS. 2, 4, 5, 6, 7 and 8, respectively.
The diagonal lines in the figures indicate transparency.
The broken lines in the figures are for environmental purposes only and form no part of the claimed design.
Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the portable solar power supply in the drawings.