The ornamental design for a batteryexchangestation, as shown and described.
FIG. 1 is a front, top, and right side perspective view of a battery exchange station showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left elevational view thereof;
FIG. 5 is a right elevational view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines immediately adjacent to the claimed areas depict the bounds of the claimed design, while all other broken lines are directed to environment. The broken lines form no part of the claimed design.