I don't think I've ever gotten 2-3 weeks of battery life on any Kindle I've used. Maybe the 2nd gen one that doesn't have a screen light.
And what is a "reasonable level"? for the screen light? 10 isn't bright enough for me in a normally lit room.
I open and close the cover on my Oasis numerous times per day, some days 15-20 times. I'm sure that effects my battery life also, the multiple wake-ups with the light all the way up.
I plug it in every 5-7 days on average, when it gets in the 15-20% range.
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