Thread: Glo Bad battery?
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Old 01-25-2013, 12:11 PM   #69
samhy
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Posts: 1,708
Karma: 5660023
Join Date: Dec 2012
Location: France
Device: Sony (J) PRS 650, Kobo Mini and Aura HD
Quote:
Originally Posted by jusmee View Post
I also still believe you need to have the device power off, not just sleep, to get the long battery life we expect from an e-ink device.
Well, I don't know.
On my new Kobo Mini, I have that:
- fully charged on Monday evening, so 4 days of use
- since then, I read for 7 hours
- 673 page turns
- sleeping all the time I'm not reading, never turned off since the charge
- WIFI always off, except yesterday to search and load a free book from Kobo store
- looking up some words in the dictionary and highlighting them for future reference
- reading only one book and going once in a while to the "reading life" part to check reading time in regard of the battery
- battery is 82%

So this is not a Glo and it doesn't have a light, but it tells me that I don't need to turn it off to have more than a week worth with one charge. Actually, I'm reading a book which was originally a .mobi file. There are some formatting issues, so the space between lines is quite huge. That means that I'm turning pages more often than I should be doing.
The biggest drop in the battery percentage was when using the WIFI (obviously).
Prior to that, when using the Sony 650, which doesn't have any wireless capacity, I was averaging 2 weeks on half a charge without turning it off (but I can't tell for sure how many pages I was turning/how long I was reading).
Don't forget that powering up a device uses a lot of power.
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