Battery Charger

FIG. 1 is a top perspective view of an embodiment of the battery charger. FIG. 2 is a bottom perspective view of the embodiment of the battery charger. FIG. 3 is a top view of the embodiment of the battery charger. FIG. 4 is a bottom view of the embodiment of the battery charger. FIG. 5 is a back side view of the embodiment of the battery charger. FIG. 6 is a front side view of the embodiment of the battery charger. FIG. 7 is a right view of the embodiment of the battery charger; and, FIG. 8 is a left view of the embodiment of the battery charger. The broken lines shown in the drawings are for the purpose of illustrating boundaries of the battery charger that form no part of the claimed design.