This whole battery temperature problem is becoming a pretty major one for me. I've only had 2 flights, used two batteries and have spent a total of 4hrs trying to get them to charge. The documentation states the batteries will not charge if the temperature of the battery is over 40 Celsius. I put the battery back in the P3 and checked the temp from the app and the battery was reporting 38 degrees Celsius. Two hours later, battery is room temp, and still no go. Anyone else have this problem? The first battery took 2hrs before it would let me charge, this one is working on close to 3hrs.