The ornamental design for a portablebatterycharger with solar cells, as shown and described.
FIG. 1 is a perspective view of a portable battery charger with solar cells showing our new design;
FIG. 2 is a front view thereof, a rear view being a mirror image of FIG. 2;
FIG. 3 is a top view thereof;
FIG. 4 is a right side view thereof, a left side view being a mirror image of FIG. 4;
FIG. 5 is a bottom view thereof;
FIG. 6 is an enlarged perspective view of a circled portion 6 of FIG. 1;
FIG. 7 is an enlarged another perspective view of FIG. 6; and,
FIG. 8 is an enlarged sectional view taken along line 8-8 in FIG. 2.
The broken lines in the drawings illustrate portions of the portable battery charger with solar cells that form no part of the claimed design. The dash-dot-dash broken lines are used to show the boundary between unclaimed and claimed subject matter, and thus form no part of the claimed design.