FIG. 1 is a perspective view of a portable solar inverter showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view thereof, shown in position for use.

The circular elements shown in broken lines in FIG. 6 represent the portions of the design that form no part of the claim.