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Apple Computing Products:
macOS - Notebook Hardware
New battery still in box for a year
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<blockquote data-quote="MacInWin" data-source="post: 1851340" data-attributes="member: 396914"><p>Lithium batteries start to degrade about two years after manufacture, regardless of use (or non-use). So your 1+year old battery is getting close to that two year point. The degradation is slow, at first, so you probably won't notice it, but eventually that battery will fail that much sooner after being put into service. Not to worry about it, just be aware of it. And if you mean "hot" when you say "warm" that can shorten the life as well. Batteries like 60 degrees fahrenheit, 15 celsius for storage. They are petty temperature tolerant, as long as it doesn't get really hot or cold. </p><p></p><p>All that said, go ahead and use it, it should give a good number of years and cycles before you see any issues with it.</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1851340, member: 396914"] Lithium batteries start to degrade about two years after manufacture, regardless of use (or non-use). So your 1+year old battery is getting close to that two year point. The degradation is slow, at first, so you probably won't notice it, but eventually that battery will fail that much sooner after being put into service. Not to worry about it, just be aware of it. And if you mean "hot" when you say "warm" that can shorten the life as well. Batteries like 60 degrees fahrenheit, 15 celsius for storage. They are petty temperature tolerant, as long as it doesn't get really hot or cold. All that said, go ahead and use it, it should give a good number of years and cycles before you see any issues with it. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
New battery still in box for a year
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