Battery Doorbell

FIG. 1 is a perspective view of a battery doorbell showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top side view thereof;

FIG. 5 is a bottom side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines shown in the drawings are for the purpose of illustrating portions of the battery doorbell that form no part of the claimed design.