FIG. 1 is an enlarged front right perspective view of a charger for electric toothbrush according to a first embodiment of the new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is an enlarged front right perspective view of a charger for electric toothbrush according to a second embodiment of the new design;
FIG. 9 is a front view thereof;
FIG. 10 is a rear view thereof;
FIG. 11 is a right side view thereof;
FIG. 12 is a left side view thereof;
FIG. 13 is a top view thereof; and,
FIG. 14 is a bottom view thereof.
In the drawings, the broken lines illustrate portions of the charger for electric toothbrush which form no part of the claimed design. The dash-dot-dash lines directly adjacent to the claimed areas are included to represent the boundaries of the claimed design and form no part of the claimed design.