FYI, someone on this forum (sorry I don't recall exactly who) used a straight edge razor blade and cut off the "battery" letters. The letters are raised and he just cut them off to be flush. I imagine with some fine grit sanding afterwards you would think it was supposed to be blank like that.

04 G35c DP/Willow, aero, prem, guards...
Vortech S/C
R/T cats
Stillen exhaust
JWT clutch & flywheel
Eibach sways
clear corners
brake reservoir cover
grounding wires