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Old 12-17-2009, 04:05 PM   #8
Elfwreck
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Posts: 5,187
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Join Date: Nov 2008
Location: SF Bay Area, California, USA
Device: Pocketbook Touch HD3 (Past: Kobo Mini, PEZ, PRS-505, Clié)
Quote:
Originally Posted by frossie View Post
Just to be clear I do not think the LCD screen is to blame as I barely used it once I started reading.
If it's on, it's eating battery. My Sony PRS-505 goes several days of heavy reading on one battery charge--possibly longer, but when it's down two notches, I charge it while I'm at work.

Quote:
If I were to guess I would say that it is related maybe to the processor running all the time or some similar OS issue that can be fixed in firmware. Or Madam could be right and it could be a breaking in issue for all I know.

The LCD is great for its purpose and I don't begrudge its battery draw but as I said I doubt that it is directly responsible.
E-ink takes almost nothing in battery to maintain; it only draws during page flips. Which is why e-ink readers are advertised at "7000 pages on one battery charge." Which is a bit of exaggeration; that's 7000 if started from a full charge and just flipped through; real use is more like 4k-5k pages/battery charge, allowing for some downtime & navigation panel pages.

LCD is a constant drain on the battery, while e-ink is only draining the battery during the actual page-turning time.
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