Does it create a problem for my laptop battery if it is fully charged and still plugged in?

Fawad Mirzad December 17, 2012
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Usually, when I use my Dell laptop, I have access to power, meaning that I do not have problem in keeping it plugged in. I know that I should not empty battery at all. Should I plug out when the charge becomes full? Does it create any problems for my battery if I keep it plugged in while using it?

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  1. Douglas Mutay
    December 18, 2012 at 2:05 pm

    I would say that it really doesn't make a big difference especially if you're using your laptop frequently on battery and on power. Normally laptop where meant to be used on both power source without problem. Once a battery is full it won't charge anymore and will remain like this until disconnected from power source.

  2. Raghav Gupta
    December 18, 2012 at 5:05 am

    Not much effect but yes it reduces lifetime of battery

  3. Junil Maharjan
    December 18, 2012 at 4:54 am

    You laptop might stop taking charge after its fully charged. it depends upon laptop and i do not see any problem there. it needs power to run no matter how it gets. just keep your batteries safe from heat.

  4. Duy Nguyen Minh
    December 18, 2012 at 12:06 am

    your battery once in a while, and if you’re plugged in, take out the battery sometimes. Battery miss error.

  5. Alex Slutsky
    December 17, 2012 at 7:46 pm

    Usually most manufacturers say that it doesn't hurt the battery, but with my experience, my current battery died from constantly having my laptop plugged in...

    I think that you should try and discharge your battery once in a while, and if you're plugged in, take out the battery sometimes..

  6. ha14
    December 17, 2012 at 6:10 pm

    perhaps depends on battery type, modern laptops know when to charge the battery and have built in charge controllers (have circuits in them to protect against overcharging the battery).

    How to Prolong Lithium-based Batteries
    http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
    A partial discharge reduces stress and prolongs battery life. Elevated temperature and high currents also affect cycle life.

    • Fawad Mirzad
      December 18, 2012 at 6:12 am

      Tnx for usefull link dear . like it

    • Lisa Santika Onggrid
      December 19, 2012 at 1:58 pm

      Thanks for the answer. I've been wondering about this too.

  7. Ahmed Musani
    December 17, 2012 at 5:41 pm

    it does effect the battery efficiency and reduces its life as once fully charged it keeps on charging and discharging. if you want to improve its life plug it in and once fully charged unplug.

    • Rohit Jhawer
      December 18, 2012 at 3:25 am

      I would go with Ahmed, it does effect but in long run. You wont see any difference for an Year or so but it reduces the batter life a bit. Calibrating your battery once a month will boost your battery life.

    • Qin Tang
      December 18, 2012 at 3:27 am

      Thanks for this answer.

  8. luis donis
    December 17, 2012 at 4:44 pm

    not cause any problems qu that what you say I always do the same with this laptop I have 5 years of having it and never gave me no fault

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