Quote:
Originally Posted by DustyDisks
Agree, but lithium battery lifetime used or not is limited to between 2 to 3 years. So 18 months is in some ways 3/4 lifetime on the low end of the scail.
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For something like a laptop, which is being charged every day, then yes, I agree. That's where the number of charge cycles is the limiting factor. But in a Kindle, where the number of charge cycles is negligible, really the dominating factor should be the natural ageing of the battery, and 18 months is awfully low then. I'd expect to get 5 years out of a battery before its capacity was reduced to half of the original capacity.