Originally Posted by Dariarb
I have PRS 650 and installed the PRS+ 2.1. I've noticed that on many occasions when I'm not reading, the reader by itself does not place in standby mode and the battery is completely discharged. I inform this here because maybe this is it one reason why the battery discharged completely.
And...thanks Mark Nord for your answer.
This is probably not caused by Prs+, and more likely caused by a bad epub. I suggest you clean off all your books and reformat the reader in Settings. See if that fixes it.