I have rockbox on my e200 [e260 to be specific] and have found it quite enjoyable. Earlier today I accidentally entirely drained the battery: it actually turned off in the middle of a song. I waited a couple hours, then connected it to my computer with the cable. I then observed I couldn't turn it on to charge; in my experience, I have to boot into the OF to charge, but since it doesn't have any charge right now it won't boot (even after 3 hours of connection). Might ya'll have suggestions on cures? Many thanks.
[edited to update model]