05-25-2010, 01:53 PM | #1 |
Edge User
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Post-Update, Battery Life Survey (real world usage)
Been lurking and am very tempted to pull the trigger on an Edge. However, I was hoping to get a feel for how many hours of battery life people were getting out of their Edge under different kinds of usage (primarily e-ink vs both screens with wifi, etc.).
If you guys could chime in, I would really appreciate it. Neither the Kindle DX, nor the iPad would really fit my needs, but at least before the update it seemed like they had a clear advantage in battery life, and I'm wondering how true that is now. Thanks a bunch. |
05-25-2010, 03:04 PM | #2 |
Edge User
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I would have expected a bigger difference between E-Ink only vs LCD. The Kindle DX battery is 1530mAh and they claim two weeks of usage with WiFi off (maybe that's exaggeration).
The EE battery is 3400 mAh. Shouldn't it be able to beat the pants off of the DX in terms of E-ink lifetime, its the same screen right? 10 hours seems pretty low in comparison. Am I missing something? |
05-25-2010, 03:59 PM | #3 |
Edge User
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Prior to yesterday's udpate, my battery usage had been running about the same as borisb's (5-7 hours with "everything" on--the lower end of that if downloading and watching videos--and roughly 12 hours with the LCD and WiFi off). And as borisb said, I haven't gotten a sense yet of battery usage since the udpate.
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05-25-2010, 04:19 PM | #4 |
Edge User
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According to Wikipedia:
Kindle 2: Freescale 532 MHz, ARM-11 Kindle DX: Freescale 532 MHz i.MX31L, ARM-11 The Marvel is basically ARM, isn't it? So, in general terms they're comparable processors. |
05-25-2010, 06:16 PM | #5 |
Edge User
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Well I think you would need double the power draw to get half the battery life, but that's not the point.
I guess I was working under the assumption that the CPU doesn't drain much power when there aren't any computations running . I don't see what it needs to be computing when the system is essentially be used as an e-reader (or at least it doesn't need to be thinking any more than the Kindle DX would with every page turn). Even with a faster processor, given that the EE has more than double the battery capacity, it seems like the device should have the potential to match or beat the DX in terms of battery life in e-reader mode (with snappier response times). I fully appreciate your point that its a new device from a new company, and perhaps I shouldn't expect such a versatile device to beat more specialized devices. Nevertheless, part of the appeal of e-ink is that draws so little power that it enables weekly charging, so its a shame if the background OS with nothing running is draining the battery faster than the E-ink page turns. |
05-25-2010, 08:39 PM | #6 |
Edge User
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I can not see an improvement in battery life after update, can you?
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05-25-2010, 09:52 PM | #7 |
Edge User
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I've used the EE all day today leaving it on and only closing it (suspend mode) while not in use. After 10+ hours my battery status states 40%; that is a vast improvment from what I gott before the update. The same type of usage before the update would drain my battery to 0% in 6-7 hours.
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05-25-2010, 10:21 PM | #8 | |
Edge User
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Quote:
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05-26-2010, 10:00 AM | #9 | |
Edge User
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Quote:
Just something to be aware of. |
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