My Scribe is 1 year old and I abuse it pretty much daily. I read on it for about 8-10 hours a day and take notes on it too during the class, which is about 90 minutes per class (I have 8 classes). The heavy note taking is not my concern, it's the reading. I usually charge mine from 40%-80/85% like everyone suggested, but lately I see a difference in the battery's capacity and I have been charging it more often than usual. I know it's a pretty new device, but how can I get a new battery and replace it myself? The device seems to be fragile too, unlike paperwhite