Quote:
Originally Posted by DesiLinguist
So, does this mean that the battery life that Amazon claims (4 days with wireless on, 2 weeks with wireless off) is standby time and not just reading time? Can people provide estimates of actual reading time with wireless off?
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That's standby time, and not typical... more likely is 2 days with wireless on and 1 week with wireless on.
As for actual reading time, it depends on a couple of factors. Power is primarily consumer when actually turning pages, so translating page-turns into hours depends on:
1. How quickly you read (obviously).
2. The font size and line spacing you choose; more text on a page means fewer page turns for the same amount of text, thus longer battery life.
3. The type of material you're reading; pictures and charts typically go by faster than words.
That being said, you could expect between 15 and 45 hours of reading on the K2. The DX is probably about the same; bigger screen means more power per page turn, but more text per page, so it should even out. No idea yet if reading PDFs specifically consumes more battery power or not.
Your experience of 8 hours reading on 20% charge is not unusual; that would suggest 40 hours reading total.