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Old 07-18-2016, 02:06 PM   #3
GeoffR
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Posts: 3,821
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Join Date: Nov 2012
Location: Te Riu-a-Māui
Device: Kobo Glo
Quote:
Originally Posted by hkckoo View Post
but back to my problem. today battery drained from 20% to 0% in like 30 minutes, this cannot be normal?
I don't know about the CBZ files and image resizing, but just beware that the battery meter is not a linear measure of battery charge, and it can drop off quite quickly at the bottom of the range.

Reading on my Glo (ePub or KePub books only) it would be quite normal to go from 20% to 0% in 30 minutes or less, but going from 80% to 60% would take about 10-15 hours. (I generally get about 40 hours reading time per charge in total.)

Edit: Another thing to consider is how quickly are you turning pages? The reading times that are commonly reported are probably based on reading books like novels that are mainly text, where the page is turned once or twice per minute and the device is essentially asleep between page turns. If you are flipping through the book much faster than that, or using scroll/zoom to move the viewport around between page turns, then I think you could expect the battery to drain at a faster rate.

Last edited by GeoffR; 07-18-2016 at 02:34 PM. Reason: page turn speed?
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