Posted 3/27/2016 07:35 (#5202285 - in reply to #5202262) Subject: RE: Bad battery for DJI Phantom 2?
Northern Indiana
When you last upgraded firmware, did you do all the batteries?
Also, there is a smart charger, although I don't see where it discharges to that exact percentage. With somewhat newer firmware, the batteries should have discharged themselves after a set number of days to that percentage.