The ornamental design for a battery, substantially as shown and described.
FIG. 1 is a top, front perspective view of our battery.
FIG. 2 is a top, rear perspective view of our battery.
FIG. 3 is a bottom, front perspective view of our battery.
FIG. 4 is a bottom, rear perspective view of our battery.
FIG. 5 is a front view of our battery.
FIG. 6 is a rear view of our battery.
FIG. 7 is a right side view of our battery.
FIG. 8 is a left side view of our battery.
FIG. 9 is a top view of our battery; and,
FIG. 10 is a bottom view of our battery.
The broken lines shown represent unclaimed subject matter only and form no part of the claim. Where the dot-dash broken lines abut the shaded surface it is understood that those broken lines represent an unclaimed boundary between claimed and unclaimed surfaces. None of the broken lines form any part of the claimed design.