Originally Posted by Mrs_Often
Hm. Interesting. So far though, the epub has been sitting open in sleep mode for just over an hour and the battery still says 100%. So it seems to be behaving more properly now... but I won't be able to say until it's had a longer sit...
I would be interested to know if you come to some definite conclusion - ie problems with the files can impact battery life. If this is so then it could be the answer for a few problems.