Battery jump starting device

FIG. 1 is a top right perspective view for a battery jump starting device showing our new design;

FIG. 2 is a top left perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevation view thereof; and,

FIG. 8 is a right side elevation view thereof.

The broken lines shown in the drawings depict portions of the article that form no part of the claimed design.