FYI, I have a P3 standard that I have been flying for six months now with no issues at all. So, I bought a brand new P3 SE and on start up and at idle all indications are fine, the battery telemetry readings are fine. After take off and 5 seconds into the flight the battery telemetry indicates "red" all cells empty, "battery critically low". As soon as I land the battery telemetry shows correctly with a full and normal battery. Take off and 5 seconds into the flight it does it again "battery critically low" every time. I have tried 6 different batteries and they all do the same thing. The aircraft will still fly just fine for the full 20-25 minutes but you will have no idea when your battery is going to die. I can fly at close range and watch the battery indicator lights on the back of the battery and all four batteries perform just as they do in my P3 standard. I can't figure out why the battery telemetry keeps giving this false indication 5 seconds into every flight when the aircraft and the batteries are performing just fine. I've tried hard resets and relinking the controller but the problem still exists....
Motors running prior to lift off
5 seconds after lift off
Immediately at touch down with motors still running
5 seconds after lift off
Troubleshooting
Troubleshooting
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