Quote:
Originally Posted by bob_ninja
On the contrary, laptop batteries are famous for lasting mere few years before they no longer can hold their charge.
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This is a limitation inherent in lithium ion battery technology. Every LiIon battery gradually loses its ability to hold a charge over the course of a few years. You can slow down the degradation depending on how you charge it, but you can't halt the process. The clock "starts ticking" on the battery's lifetime when it's initially charged, and nothing will stop it.