The ornamental design for a dronebatterypack, as shown and described.
The invention was made with Government support under Agreement No. W15QKN-19-9-0044 awarded by USACC-NJ. The Government has certain rights in the invention.
FIG. 1 is a top perspective view of a drone battery pack, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a back elevation view thereof;
FIG. 6 is a left side elevation view thereof; and,
FIG. 7 is a right side elevation view thereof.
The broken lines in the figures depict portions of the drone battery pack that form no part of the claimed design.