We’ve had some good discussions on in-field battery charging in the past, but the recent discussion of data loss prompted some thoughts.
I always carry a few MicroSD cards of varying size in case I ever fill my ‘main’ card before I can offload some footage (64gb in drone, couple of 32gbs and one 16gb in the case).
So I started to wonder what the best method of in-field / on the road backups would be, without having access to a laptop - if on holiday for example.
The CrystalSky has two MicroSD slots and one USB-A slot, so I did a few tests today.
I can plug a USB memory stick in, I tried a 64Gb one, and I was able to copy and paste files from the MicroSD card and directing over to the pen drive. I then tried plugging in a USB HDD. It was an old (spinning disk!) 250GB drive with a single USB lead, so it takes its power from the CS - not a problem as the CS batteries last for about a decade!
This worked well too, in fact it copied faster to HDD than it did to the memory stick.
Strangely enough, all USB devices seem to report their size as double what it actually is, both HDD and pen drive. I even formatted them in the CS, both still reported their size as being double what it actually was, so my 250GB HDD showed up in Android as 500GB.
Anyway, while doing these tests, I stumbled upon a flaw. You can’t copy a single file that is larger than 2GB from MicroSD to USB. Stranglely enough, I can copy any size file from MicroSD to MicroSD, just not from MicroSD to USB?! There’s a bug in the CS somewhere. So that could be an issue, as I always record my flights in 4K.
Started looking at other options…
Buying more MicroSD cards? Yeah, could do I guess. Not the cheapest of storage medium though.
Buying a cheap 1TB USB HDD? Yup, but it’s something else I need to carry. Can’t copy files larger than 2GB though.
Buying more USB pen drives? Cheap as chips, light weight, tiny. Can’t copy files larger than 2GB though.
Buying a HDD drive with a SD slot on it? Ideal. But have you seen the price of these things?!
What do you guys do?