Took my P2 v2 (non-Vision) out for a flight today and noticed one of the motors wasn't spinning upon startup. This was with a (fully charged) Limefuel 6000 battery. Tried it twice more, no luck. Stuck an OEM battery in and it all four motors spun. I even flew 15 minutes successfully. Took the bird home, put in the Limefuel battery and tried to reproduce the problem and couldn't. All was well. Opened up the shell and looked at all four ESCs and they all look the same. None of them look different from each other. None look burnt. Here is a picture of the ESC from the motor that wasn't spinning. Does it look okay to you?