The ornamental design for a battery-powered, extensible-retractable vibrator, as shown and described.
FIG. 1 is a perspective view of a battery-powered, extensible-retractable
vibrator, showing my design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view, thereof;
FIG. 4 is a cross-sectional view thereof, taken along line 4--4 of FIG. 1,
with the vibrator in a retracted position, and enclosed by its top cover;
and,
FIG. 5 is an exploded view of the device in its operational position, with
the vibrator in an extended position, and the top cover removed.