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Old 11-14-2010, 10:54 AM   #1
subarux
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How long can I leave the K3 on?

Is it ok to leave the K3 power on overnight(s)?
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Old 11-14-2010, 10:58 AM   #2
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Quote:
Originally Posted by subarux View Post
Is it ok to leave the K3 power on overnight(s)?
If you just stop reading and do nothing, it'll go to to the screensaver image in a few minutes (10?).

As for completely off (sliding and holding the switch), I've had mine for about two weeks now and it's never been turned off. I've not recharged it for over a week, never turn it off, use it nightly with the integrated reading light in the case that draws from the internal battery, and it still has about 85% charge...

I've heard of many people not even knowing that you could turn it completely off and having no trouble.
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Old 11-14-2010, 11:39 AM   #3
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I've had a K1, K2, and now a K3, and I've never turned them off. They just stay in sleep mode when I'm not using them.

I do turn the wireless off when I'm not using it, though.
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Old 11-14-2010, 01:16 PM   #4
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Thanks for the replies.
But I just found an old thread of the same question I posted. sorry.....
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Old 11-14-2010, 09:23 PM   #5
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kindles turn off?!?

seriously, they consume no power in sleep mode so there's no real reason to turn them off.
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Old 11-15-2010, 01:55 PM   #6
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Quote:
Originally Posted by bZkindle View Post
kindles turn off?!?

seriously, they consume no power in sleep mode so there's no real reason to turn them off.
There is some power usage if wireless is left on. In that event, even in sleep mode, it will periodically turn on the antenna and check for downloads. Power consumption is much less but not zero.
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Old 11-15-2010, 06:29 PM   #7
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Originally Posted by tomsem View Post
There is some power usage if wireless is left on. In that event, even in sleep mode, it will periodically turn on the antenna and check for downloads. Power consumption is much less but not zero.
true true.
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Old 11-16-2010, 11:19 AM   #8
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I never shut mine off either. With wireless off, it would actually use more battery to turn your Kindle off and back on again than it would to just keep it in sleep mode for that time being. If I remember correctly, Amazon recommends the same practice.
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Old 11-17-2010, 02:59 AM   #9
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Quote:
Originally Posted by bZkindle View Post
they consume no power in sleep mode so there's no real reason to turn them off.
Not true even with wireless turned off, Of course they still use power in sleep mode, Just less power.
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Old 11-17-2010, 03:36 AM   #10
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Not true even with wireless turned off, Of course they still use power in sleep mode, Just less power.
Absolutely right. In sleep mode, the Kindle is "in a coma", but not "dead".
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Old 11-17-2010, 08:59 AM   #11
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Quote:
Originally Posted by HarryT View Post
Absolutely right. In sleep mode, the Kindle is "in a coma", but not "dead".
Mine must be having near death experiences. I've had my K3 since August 30 and it has been on the charger three times, including the original charge. I read about 15 hours a week with a large font size (lots of page turns) and am getting 6-7 weeks on a charge. Amazing!

Regards - John

P.S. My wireless stays off. I download to my PC and let Calibre put my books on the K3. I connect the K3 to my PC about once a week, for about 10 minutes, to update my reading material so I suppose I pick up a little extra charge that way.

Last edited by Jabby; 11-17-2010 at 09:01 AM.
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Old 11-17-2010, 10:02 PM   #12
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Quote:
Originally Posted by gargoyle67 View Post
Not true even with wireless turned off, Of course they still use power in sleep mode, Just less power.
Use power or drain power?
wi-fi notwithstanding,
I thought that they only consumed power on page turns.
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Old 11-18-2010, 01:12 AM   #13
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I've had my K3 since Aug. 30 and never turn it off -- just put it to sleep. I've only had to charge it twice since I got it, and I use it just about every day.
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Old 11-18-2010, 03:21 AM   #14
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Quote:
Originally Posted by bZkindle View Post
Use power or drain power?
Doesn't that mean the same thing And yes it still uses a small amount of power in sleep mode, Think about it, Why would you need a off button if sleep mode used no power
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Old 11-18-2010, 05:42 AM   #15
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Originally Posted by bZkindle View Post
I thought that they only consumed power on page turns.
The screen only consumes power on page turns, but there are plenty of other components that could be consuming power. In order to be able to respond to the command to come out of sleep, at least some of the circuitry will have to be powered.

The Kindle doesn't use very much power when it's asleep, but it does use some. Harry's coma analogy is a good one.
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