Battery performance maintenance device

Abstract

Description

FIG. 1 is front perspective view of a battery performance maintenance device;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines in the drawings represent portions of the battery performance maintenance device that form no part of the claimed design.

Claims

The ornamental design for a battery performance maintenance device, as shown.