The ornamental design for a solarlamp, as shown and described.
FIG. 1 is a top perspective view of a solar lamp showing our new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines in the drawings illustrate portions of the solar lamp which form no part of the claimed design.
The solar lamp is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.