Battery

FIG. 1 is a front perspective view of a battery according to our new and ornamental design;

FIG. 2 is 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 top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the battery that form no part of the claimed design.