The ornamental design for a battery, as shown and described.
FIG. 1 is a front view of a battery according to the claimed design.
FIG. 2 is a rear view of the battery.
FIG. 3 is a left side view of the battery.
FIG. 4 is a right side view of the battery.
FIG. 5 is a top view of the battery; and,
FIG. 6 is a bottom view of the battery.
The dash-dash broken lines in the drawings illustrate portions of the battery that form no part of the claimed design.
The dash-dot-dash broken lines in the drawings define the bounds of the claimed design and form no part thereof.
The dash-dot-dot broken lines in the drawings represent light emission from the illumination features. The light emission forms part of the claimed design.