Hi Darryl
I had identical issued with my new P4 with 2 batts.
I flew a month without any problem. Sept and Oct
A day the battery signal error were with the 2 batteries.
Just as you say.
The P4 pronted battwry signal error.
Some times in battery section of DJI GO show a contact broken report. With the two batteries.
I didn't crash it anytime. I flew a lot with others drones.
I tried refresh firmware, I installed previous software, clean contacts, push in all way the batteries in the P4...
Two weeks with this problem exactly as Darryl say.
After landing indicators battery level working...until a new take off...
I just was taking notes about that for send my Phanton to DJI when misteriosly all was fine. Last previos day I refreshed the fimware one time more. But I had the error later by two flies.
Then all was fine. I don't understand. Perhaps I press in this time the battery with more strenght than ever. I remember that. A contact could be fine inside the phantom? I dont know. I don't sure. No more explanation.
After that, I can fly without any more battery errors.I flied around 10 timea. All fine.
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