Solar Panel Rack

FIG. 1 is a perspective view of the solar panel rack; FIG. 2 is a left side view thereof; FIG. 3 is a right side view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a front view thereof; FIG. 6 is a bottom view thereof; FIG. 7 is a top view thereof; and, FIG. 8 is a perspective view of the solar panel rack shown in an environment of use. The broken lines in the drawings depict portions of the solar panel rack that form no part of the claimed design. The broken lines in FIG. 8 , showing additional solar panel racks and solar panels, depict environment and form no part of the claimed design.