Hello all ... I had a problem with my Phantom 2+ ver 3 today. Been flying a while now and have no real problems until today I Flew last Sunday noon and late afternoon with no problems Never crashed or hard landings, usually hand catch. I went to a friend's house today to show him my phantom and it would not turn on... Had two batteries fully charge, both transmitters fully charged. Turned on the tablet and DJI app Turn on range extender then the controller... Pressed and held battery button as usual... Battery lit up four lights.. stayed on for a couple of seconds...then turned off.... no beeps. No lights on the battery. Did this for a number of tries with same results Switched batteries with the Same results. I checked the terminals on the bird and the battery and did not notice anything out of wack to my eye. Switched between both batteries a few more times with the same results. Check both batteries through out all this and always had four lights. I Apologized and loaded up and went home. When I got home I went out back where I last flew Sunday and turned everything on again and all went like usual. Bird beeped, camera initialized, 6 sats, camera view came on tablet then I calibrated the compass to make sure and started the bird up. Revved the motors and throttled up and down but did not take off.... Lights on bird flashing green... All seemed well ! So before I try and fly again I thought I'd post and ask if this has happened to anyone or if there is something I should be checking for? My home is just outside the 5 mile range of our local airport ( back yard is in the 5 mile circle and Front yard is just outside the 5 mile circle) and my friends home is a little over 7.5 miles from the airport so I don't feel that had anything to do with the no start problem. Batteries have about 50 flights on each and flights usually go for 15-17 minutes. Sorry for the long post, but just tried to include all information that I could.. Any Ideas?? Thanks !