The ornamental design for a batteryconnector, as shown and described.
FIG. 1 is a perspective view of a battery connector, according to an embodiment of my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines illustrate portions of the battery connector that form no part of the claimed design.
The drawings include a separation and a bracket which represent a symbolic break in length of the battery connector. The appearance of any portion of the article between the break lines forms no part of the claimed design.