The ornamental design for an electricwheelchairshell, as shown and described.
FIG. 1 is an upper perspective view of the electric wheelchair shell showing my design.
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is an opposite side view thereof;
FIG. 6 is top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is another perspective view thereof, showing placement on a wheelchair.
The electric wheelchair shell covers the bottom of a wheelchair as illustrated in broken lines in FIG. 8. The broken lines are for illustrative purposes only and form no part of the claimed design.