As always, Boris was the first one to help

. I actually have in mind some of those HDD racks with an internal SATA disk in it (I have some old hard disks I might use), precisely because of the AC adapter. Anyway, I don't use my Edge on the battery very often.
I actually have a 32 GB USB memory stick, but I would prefer something I could use for safe storage. I have to come up with an idea how to organize thousands of ebooks I own

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