Quote:
Originally Posted by HansTWN
Of course, there are other factors having an influence on battery life. But all other things being equal you get an increase in battery life by a factor of 6-10 just by using an e-ink screen instead of a reflective LCD.
You get a few days, we get a few weeks.
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All things being equal you are correct, but they aren't always equal. A case in point I use my PRS-505 and generally top off the charge every 3 or 4 days.
The reason for this is because I'm 51 years old and in order to avoid reading glasses I increase the font size. This increased font size means that for every 1 page in an ePub book I have to flip through about 9-10 screens. That means that for one 400 page ePub novel I will have turned through about 4000 screens.
So you can see that I would be recharging as often with my Sony as I expect to with my Jetbook (recharge about every 20-22 hours of use) I just bought for $99. I concede that for most folks there is a substantial increase in battery life using e-ink but it is not always so cut and dry.
Of course all that said I like the fact that eInk uses minimal power when just sitting around waiting for me to read. My use of the jetbook will require me to turn it on and off much more often.