FIG. 1 is a first perspective view of a lightweight solar panel showing my new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back 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 another state of the lightweight solar panel thereof;
FIG. 10 is a perspective view of another state of the lightweight solar panel thereof;
FIG. 11 is an enlarged view of the selected portion 11 in FIG. 2;
FIG. 12 is an enlarged view of the selected portion 12 in FIG. 5;
FIG. 13 is an enlarged view of the selected portion 13 in FIG. 6;
FIG. 14 is an enlarged view of the selected portion 14 in FIG. 7; and,
FIG. 15 is an enlarged view of the selected portion 15 in FIG. 8.
The broken lines shown in the drawings depict portions of the lightweight solar panel that form no part of the claimed design.