Yeah, I've had the drain happen to me after I'd unmount the reader (might have been with the 505) and keep it connected to USB, so I am very careful when I plug in to USB since then. But the charge happened on my work laptop which stays on all the time, and I made sure not to eject the reader.
I cleaned out the edges with compressed air. Will see if that helps. But I think the thing in common (with a sample size of two) is that the drain seems to have happened right after I fully powered down then powered up the reader. Been reading a bunch of pages since the weekend and still full charge, only plugging it into USB to transfer newspapers/mags.
I guess I'll just keep a closer eye on the charge, and maybe get a wall charger for the times when it ends up being completely drained half an hour before I wanna leave the house.
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