Mobile phone case battery accessory

Description

FIG. 1 is a rear perspective view of a mobile phone case battery accessory, showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right-side elevational view thereof, the left-side elevational view being a mirror image thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing a mobile phone in FIG. 1 depict environmental matter and form no part of the claimed design.

Claims

I claim the ornamental design for a mobile phone case battery accessory, as shown and described.