I had a phantom 4 but havent used it since early 2018 due to my 2 batteries swelling. After playing with my coworkers drone i felt in the mood to fly again. I looked on amazon but most do not ship here. Finally found one. It was a generic battery. The day i recieved the battery I charged it that night and took it off the charger when done. The first of the 2 test flights went fine. There was a "motor or propeller warning" but seemed fine after take off. I went about 3k feet away and returned. Upon landing i did not turn off drone. The next flight started a couple minutes later. About 1.5 minutes into the flight i switched to atti mode. When reviewing the flight record i notcied that the battery level stopped going down (stuck @ 57%) and the red/yellow/green bar time stopped as well (stopped @ 10:49). At around 5300 feet away i recieved notification "the remaining battery is only enough for rth" followed closely by "low power. returning home." I canceled it and started booking it back home. On the return i lost downlink for 31.8s and then restored. Still in atti mode i was making my back and at 2100 feet away i lost connection and never regained. Battery indicator still @ 57% and bar still @ 10:49. The flight from start to loss of connection was just over 5 minutes. I used "find my drone" and last location of connection but did not find it. Not sure where to look. My home lies just inside restricted zone but was able to take off and fly in it. Where the drone last was and home the restricted zone is in between. Did it try to go around? Did it try to go through? Did it land? Did it drift? Any suggestions? I really need to find this guy. Its been several days already
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