Guess it had to happen eventually. 9000 miles on P85D. 80% charge now says 202 (vt reports 202.2). It was a fraction over 203 before. Could be calibration, but I did that once completely right before going to Washington a few weeks ago (1600 mile round trip). Also only pull 409 KW now at WOT throttle on 90% vs 414 KW. So internal resistance is likely up just a tiny bit which will result in a slightly larger voltage drop at maximum current.