Geebax
Captain
Australia
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Hydrad Posted at 2017-7-20 22:48
I have the same question. I just bought a Phantom 4 Pro and created a small video. The 3 minute and 7 second video used up 2.36 Gig on the card. The video was 4K at 30 fps. A formatted 16 Gig card will hold about 14.9 Gig of files. At the rate I am seeing, a 16 Gig card might hold as much as 20 minutes of video, which means that you will run out of space before even 1 battery is depleted.
A 64Gig card will hold 79 minutes of 4K video, which is slightly over 1 batteries worth of time. If I had shot at 60 fps, the card would have been depleted even faster. If a 128 Gig card would work, I think that you will need it. But, it is not clear that it will work.
THe P4 Pro will accept a 128GB card, it is in the DJI specs. But get a good one, my choice would be a Sandisk Extreme card.
'79 minutes of 4K video, which is slightly over 1 batteries worth of time.'
I think your maths are way out there, a single battery will not last 79 minutes.
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