I was experiencing the feared battery eject problem and Realized that my spark had a bit of damage from a crash to the battery latch points.
I made this short upclose video pointing out the latch points and where the damage was in hopes of helping others who may not know to look for it.
My conversation with DJI via twitter yesterday about DJI Spark loss of power during flight.
Hello, so just had something crazy happen to Spark. It was at 80' in the air 200' away from me with (Edited: 79%) battery. I switched over to active track and as soon as I did, the spark lost power...