Quote:
Originally Posted by meeera
So if I only need to use my laptop battery once a month, leaving it plugged in all the time except for that one day a month will mean I will get far more life out of my battery than I will expect to get out of my laptop - a theoretical 33 years (I doubt it, in practice!). Unplugging it every day using their rather onerous schedule would mean I would only get 4 years out of it. Or, if I was a heavy user and needed to cycle it twice a day, 2 years.
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Charge cycles are important for laptops, but irrevelent for eInk readers, where the number of charge cycles you'll get through under any likely circumstance is minimal. With a reader, the only battery effect that's of any consequence is the natural "aging" of the battery (the internal resistance of the cells increases with time). The clock starts ticking on the battery the first time it's charged, and it will probably have a lifetime of around 5-7 years.