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    Charge a battery when it is half discharged?

    Discussion in 'Dell' started by stevenwu, Mar 11, 2007.

  1. stevenwu

    stevenwu Newbie

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    Every so often I have to take out my laptop to work for one hour. And the battery is only half discharged when I return home. Then should I plug in the AC adapter to continue working or should I use remaining power in the battery? I heard that charging a battery when it is half discharged would do some damage to it. Is that right? What should I do then?
     
    stevenwu, Mar 11, 2007
    #1
  2. Kdawgca

    Kdawgca rotaredoM repudrepuS RBN

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    Notebook Battery Guide
    http://forum.notebookreview.com/showthread.php?t=91846
     
    Kdawgca, Mar 11, 2007
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  3. chrisyano

    chrisyano Hall Monitor NBR Reviewer

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    You won't be doing any additional damage to your battery should you recharge it at 50% charge level.

    As mentioned above, the battery guide will give you more information on the topic.
     
    chrisyano, Mar 11, 2007
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  4. Tobi1982

    Tobi1982 Notebook Consultant

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    One short answer from me if you dont have time to read the guide right now:

    It doesn't matter when you are using a lithium-ion or li-polymer battery as used in all modern notebooks.
    These can even be permanently damaged when they are discharged too low (but don't worry, your notebook's electronics cares about that and shuts off the notebook before it gets dangerous for your battery).

    Not fully discharging them was only a problem with NiCd-batteries and partly with NiMH-batteries.
     
    Tobi1982, Mar 12, 2007
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