Battery life not so great.

There's no way this gets anywhere near Amazon's promised battery life. I was thinking mine was defective until I read other reviews. The battery life is enough for most purposes--you'll get through a long flight---but nothing like what's promised (six weeks). More like a week. Previous Kindles lasted maybe 3-4x longer than this one. Love the screen though--and I think it's a very ergonomic design. Backlight seems better than previous models. There's a better range of sizes for type too, but that might be the OS rather than this model. Dear Amazon: how 'bout letting the cover page of the book being read serve as the screen saver image? Would be infinitely better as an option than pencils, lead type and pen nibs. (This is not a new idea...)

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