I like a lighter device and I think the battery life is good enough on our readers that we can (and do) give up some battery life to keep them light. If I had to charge it to continue a reading session or even charge it every day I might agree that longer battery life and a heavier device was better, but that isn't our situation.
And I sure do agree about replaceable batteries. I'd be willing to accept more weight for that although I doubt it would involve much additional weight.
Barry
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