A:Answereverything is exactly the same, just its white. I replaced a black one that died in it's sleep which a white one. White was the only color my Best Buy had in stock when I needed a replacement.
A:AnswerI don't know, but we just got a Paperwhite before our vacation, and my wife is reading it a lot every day, and it lasts maybe 2-3 days. They say it lasts weeks but I think that's if WIFI is turned off and you don't read anything.
A:Answerin order to download the books to the ereader, you need wifi but once they are downloaded(takes a minute or so depending on the connection), you dont need internet