Quantcast Is it 'bad' to leave laptop plugged in all the time?

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  1. #1
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    Default Is it 'bad' to leave laptop plugged in all the time?

    Most of the time, I leave my laptop plugged in, even when I'm not using it. Could this possibly be slightly bad for the battery (in terms of long life for the battery)?
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  2. #2
    The Random Mod
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    Default Re: Is it 'bad' to leave laptop plugged in all the time?

    Yes, you should run your batery threw charge and discharge cycles regularly. I have two batteries. 1 is a 9cell the other is a 6cell. I run on the 9cell atleast 3 times a week. But I make sure to switch the 6 cell in every Sunday night and run it threw a discharge/charge cycle while I watch Adult Swim Comedy. =)

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  3. #3
    super modfu
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    Default Re: Is it 'bad' to leave laptop plugged in all the time?

    no problem. just make sure your laptop stays within normal operating temps and there's no problem for the battery.

  4. #4
    ZaZ
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    Default Re: Is it 'bad' to leave laptop plugged in all the time?

    You battery will stop charging after it hits 100%.

  5. #5
    Tim
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    Default Re: Is it 'bad' to leave laptop plugged in all the time?

    Your battery will not charge if it is pluged in and at 100%. You should not have any problems leaving your laptop on for an extended period of time. I always turn mine off at night because Windows never works good when it sits overnight. However if this doesn't happen to you go ahead and leave it on.
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  6. #6
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    Default Re: Is it 'bad' to leave laptop plugged in all the time?

    1. remember to cycle it at least once every 3 months.
    discharge-recharge 3x
    2. it WILL slowly reduce the capacity of the battery over time because li-ions are still chemical batteries.
    heat is the #1 enemy of li-ions, if you're really paranoid and want to make use of the battery for more than 2 years, i suggest you keep your battery in a cool place with a 40% charge (if possible).

    removing the battery will also promote airflow, and of course aid in the cooling of your pc.

  7. #7
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    Default Re: Is it 'bad' to leave laptop plugged in all the time?

    I would "exercise" the battery out once in a while, just to keep its capacity up. Maybe discharge to about 40%, then recharge every week or so.
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  8. #8
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    Default Re: Is it 'bad' to leave laptop plugged in all the time?

    I always remove my battery whenever my laptop is plugged because
    I'm afraid to charge the battery if it is not in a critical low stage ,
    I think it'll shorten the lifetime ,am I correct?

  9. #9
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    Default Re: Is it 'bad' to leave laptop plugged in all the time?

    Any battery is compromised by cycling it. The Dell L-ion batteries are cheap enough, online, that I just leave it in. They make for a great UPS in a pinch.

    For reference, my old ZE5000's battery is at about 70% capacity after 3 years of hell. So what?

    On a tangent, I threw away all my old UPCs after the crappy gel cells died. Have you priced the replacements for those suckers?

    Then again, after the "Japan Syndrome", Dell might have us all remove our batteries
    Last edited by hydra; 1st July 2006 at 11:06 AM.
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  10. #10
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    Default Re: Is it 'bad' to leave laptop plugged in all the time?

    I had a battery died just a year after purchase on my Compaq Presario 2800. Later I was advised by their Tech Support that leaving the laptop plugged in all the time greatly reduced your battery lifespan.

    Since then I plugged in all my laptops on a UPS with the battery removed.

 

 
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