Battery tester

FIG. 1 is a front isometric view of a design of a battery tester;

FIG. 2 is a back isometric view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a front isometric view of a battery tester, showing the battery tester seated in a docking station illustrated in dash line; and,

FIG. 10 is a back isometric view thereof.

The broken lines shown in FIGS. 1-8 display portions of the battery tester that form no part of the claimed design. The additional broken lines shown in FIGS. 9 and 10 display a battery tester, which, also form not part of the claimed design. The shade lines in the Figures show contour and not surface ornamentation.