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View Poll Results: How long does the battery last for you
5 hrs 1 1.27%
10 hrs 5 6.33%
15 hrs 2 2.53%
20 hrs 7 8.86%
20+ hrs 64 81.01%
Voters: 79. You may not vote on this poll

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Old 10-09-2006, 11:19 AM   #31
Morbius
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Maybe this is the same great performance Sony laptop batteries exhibited...right before they went nuclear!
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Old 10-09-2006, 03:30 PM   #32
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Unless Nathan can devote himself completely just for reading untill battery dies
Sadly, I cannot.
I did calculate that 7,800 consecutive page turns, at 1 second each, would take 2 hours & 10 minutes.

So, let's see, the iLiad's 10,000 page turns would take ... um, 2 hours, 46 minutes and 40 seconds.
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Old 10-09-2006, 03:43 PM   #33
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I did calculate that 7,800 consecutive page turns, at 1 second each, would take 2 hours & 10 minutes.
I'm sure you can spare 2 hours for this test

But, that will work only with TXT, BBEB, and RTF books (or FAST formats)
With PDF books, page turns take 2-8 seconds (obviously SLOW format).

BTW, I think that battery life depends on what you are reading - FAST or SLOW formats.
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Old 10-09-2006, 04:01 PM   #34
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I'm sure you can spare 2 hours for this test
Yes, but the 10 minutes are another thing.

I think you're right about the format making a difference, clearly processing time has to have an effect on power consumption.

Then there's the whole question of finding a 7,800 page document....
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Old 10-09-2006, 04:05 PM   #35
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Not to mention finding a physical therapist for the carpal tunnel problems you'll have after pressing the next page button that many times in a row....
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Old 10-09-2006, 04:12 PM   #36
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Yes, but the 10 minutes are another thing.
That's unfortunate, but me thinks we can settle with 2 hours and 7200 click-o-pages or page-o-clicks

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Then there's the whole question of finding a 7,800 page document....
Book with 7800 pages? Easy - "War and Peace" If it's not enough, one can copy/paste until all pages are there.

On other hand it wont be representative, 10 books with 720-780 pages each or same book but read 10 times are closer to real-life conditions

Last edited by Slava; 10-09-2006 at 04:16 PM.
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Old 10-09-2006, 04:13 PM   #37
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I could use all ten fingers ... and my nose ... that should do for the first 3,750 pages or so ... then ... maybe toes? Elbows? Hmmm.
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Old 10-11-2006, 05:11 PM   #38
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After a full week of usage, still 4 blocks for me.
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Old 10-11-2006, 07:22 PM   #39
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Same here (well almost a week), and my Reader certainly has hasn't been sitting idle!
It's the first time I've ever had something run this long without sucking the battery down. But then it's not really running most of the time of course... Weird though to still see the bars not changing...
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Old 10-11-2006, 07:23 PM   #40
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roughly 2000 page turns so far on the initial shipping charge and it just dropped to 2 bars.
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Old 10-11-2006, 07:46 PM   #41
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After a full week of usage, still 4 blocks for me.
You have to actually read the books, not just look at the Reader
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Old 10-12-2006, 11:03 AM   #42
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You have to actually read the books, not just look at the Reader
Read? All my books have pretty pictures!
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Old 10-12-2006, 11:22 AM   #43
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Wow, mine finally dropped one bar today
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Old 10-12-2006, 12:03 PM   #44
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It'll probably go back up if you turn it off for a few minutes. They seem to flutter around the transitions for a while before settling into the lower reading.
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Old 10-12-2006, 12:29 PM   #45
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I don't know that I"ll ever run the battery down realistically. Unless I load up 200 books and just do a "how many weeks of fairly constant reading can I get out of the Reader" test. I seem to plug it in every two or three days to bring down another collection, and it keeps topping that battery back off.

Well done on the battery life, Sony!
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