I've had my P2V for just about a year now. No flyaways, one minor crash, otherwise no problems. Except for a deteriorating ability to get distance. I've got an early Flytrex flight showing about 1200 feet. Scary because I could barely see it! Since then my horizontal distance has been slowly going down to about 400 feet or so. I quit doing upgrades to the software back when I first got Ground Station. Since then - nothing. I'm on main controller ver 3.06 and Assistant version 1.08. Yesterday I finally did the NAZA enabling button thing and now have the IOC working. I also finally discharged my batteries down to 7% and recharged. I had 23 and 25 flights on them (according to the Assistant program). So off I go today to test out all my new stuff. I haven't flown in months due to - well - anyway, I haven't flown in quite a while. There's virtually no wind where I went. I did the compass dance and got a register of 8 sats. Cool. I'm a bit color deficient though not color blind. These flashing lights cause me concern when I'm not sure what's going on. If my wife is along, she can verify, but that's not all that often. Nevertheless, all looked (and sounded) well. I lift off and gently float around getting the feel of my trusty old machine. I stayed perfectly motionless when I let go of the sticks. I like it. Oh, for what it's worth, I now have my distance and height restrictions set to 700 feet and 500 feet respectively. First thing I try is moving the S1 switch to RTH to test that. Ahhh, seems to be working. When it's overhead I take back control and continue to fly around. But all of a sudden I start getting the dreaded "DEFCON" clanger which usually means the battery is headed south and I'd better get back and land. Only it wants to land RIGHT THERE. I force the stick and get it to come back and land by me. I don't think I was 100 feet away. Hell, I was barely 50! I land, look it over for signs of - well - I don't know. Signs of something wrong. Don't see anything so I take off again. I hadn't looked at the battery indicator on my phone yet because the battery is fully charged and showing four lights. At about 50 feet here comes the DEFCON clanger again. This time I take a screen shot - at the same time I fight to get it to land BY ME. I'm at a loss here. My second screen shot shows a 70% battery - but now it's RED. I've never seen this before, but if the Phantom thinks the battery is bad I can see why it wants to land. But what's up with this? I hooked the Phantom up to the Assistant when I got home and it shows the battery at 68% charge. It's still got 92% life left. Cell 1 3820 Cell 2 3864 Cell 3 3939 My low battery setting is for "Go Home". I was in GPS mode for all this (except for the RTH test). Any suggestions?