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    Does running with power cord plugged in reduces the battery life?

    Discussion in 'Toshiba' started by superhuman1, Sep 25, 2009.

  1. superhuman1

    superhuman1 Newbie

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    I have just bought a L505 laptop. I also have a VAIO which i used to keep plugged in. After a year the battery was pretty much useless. It was giving a maximum running time of 10 mins.
    Most of the time I am not mobile, so I can connect the laptop to the AC power supply. Just want to query if I keep the battery in and plug it to AC power, does it have effect on battery life? Doen't laptop use the AC power instead of battery power when the battery is fully charged and connected?
     
  2. Amnesiac

    Amnesiac 404

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    It does affect it, to a very small extent though. You can always recalibrate your battery if it stuffs up too. I don't really bother to go to all the measures of running it off AC only, and doing God knows what to the battery (including putting it in a freezer), but if you are a person who really needs as much as possible, then it is probably better to run it off AC only, without the battery in while you are using it at home or something. I don't bother because you only lose about 5% of overall battery life.