Battery jump starting device

FIG. 1 is a front, right, and top perspective view of a battery jump starting device, showing our design.

FIG. 2 is a rear, left, and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof

FIG. 9 is a partial enlarged view of an area labeled 9 in FIG. 1 comprising a convex part; and,

FIG. 10 is a partial enlarged view of an area labeled 10 in FIG. 1 comprising a convex part.

The broken lines shown in the drawings are included for the purpose of illustrating portions of the battery jump starting device that form no part of the claimed design.

Dot-dash broken lines framing portions of the claimed design that are illustrated for enlargements form no part of the claimed design.