FIG. 1 is a front elevational view of the battery-operated flashlight showing my design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof,

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view thereof with a battery attached.

The broken line in FIG. 8 showing a battery is for illustration purposes only and forms no part of the claimed design.