I'm not inclined to actually run my battery to zero, so I'm going to suspend this test at 20% and extrapolate. Fully charged 6 days ago, artatech 1.6.5 firmware. Screen on time registers 5 hours and 45 minutes vs 13h 57min on battery. It powers itself all the way down after 30 minutes, and that delay accounts for most of the difference between screen on time and total time on battery. About 85% of the screen on time the light was on it's lowest setting. The remainder the light was off entirely. Wifi was on for only 10 minutes the entire week to download books and sync readers.
I think that would come to about 7 hours of total reading time if I did run it all the way down in like manner, and that is about an average week for me.
I'll be trying a few different things over the next few weeks and may post some of them here. I'm always eager to hear other folks' experiences as well.
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