The ornamental design for a portablechargerdevice, substantially as shown and described.
FIG. 1 is a top perspective view of a portable charger device showing our new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a front view thereof; and,
FIG. 8 is a back view thereof.
The broken lines shown in the drawings are for the purpose of illustrating portions of the portable charger device which form no part of the claimed design.