The ornamental design for a chargingstation, as shown and described.
FIG. 1 is a perspective view showing the new design for a charging station;
FIG. 2 is a front view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof, the right side being a mirror image thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a perspective view of another charging station showing the new design.
The claimed design is not limited to specific colors or materials. A first embodiment of the claimed design illustrated in FIG. 1, for example, comprises an opaque material. A second embodiment of the claimed design illustrated in FIG. 7 comprises a transparent or translucent material as indicated by oblique line shading.