Benefit of unplugging laptop battery? - Techist - Tech Forum

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Old 01-22-2006, 06:47 AM   #1 (permalink)
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Default Benefit of unplugging laptop battery?


A friend of mine uses his laptop primarily in his fixed office. Hence he removes his battery & works directly off the A/C power supply claiming this will prolong the battery-life. Is this correct?

What are the pros/cons of this action? E.g. do laptop batteries regulate the A/C supply at all & could this action put his motherboard at risk?

What other issues are there?



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Old 01-22-2006, 11:48 PM   #2 (permalink)
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Lithium ION batteries do have "life cycles." They can only be charged & discharged so many times (100's or 1000's). Over the years your battery won't hold a charge as long. Kind of like shoes, the less you wear them the less worn they are.

The battery doesn't regulate anything, it won't damage the hardware...

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Old 01-23-2006, 09:08 AM   #3 (permalink)
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No issues here, actually kind of a smart thing to do if you rarely use your battery as it is the best way to preserve its life.
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Old 01-23-2006, 05:40 PM   #4 (permalink)
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yeah but you would still want to charge/discharge them once a month at least, because then the chemicals will harden and it'll shorten it's life
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