Quote:
Originally Posted by HarryT
Yes. There are two aspects which determine how rapidly a battery loses capacity:
1. The number of charge cycles it's gone through.
2. The age of the battery.
The two are independent, but cumulative. As far as #2 goes, the "clock starts ticking" the first time that the battery is charged after manufacture, and it can't be stopped.
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Also good to know. Hmm. My MacBooks seem to be frequently charging while plugged in, varying between 96% to 100% charged. Edit: (Whatever that means, probably the % charged of the
remaining battery capacity.) Here is what Mac Help says:
Quote:
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Select this option to display your battery’s level of charge in the menu bar. If your computer is plugged into an electrical outlet, the icon indicates whether the battery is charging or is fully charged.
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