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    Is ThinkVantage Power Manager battery meter accurate?

    Discussion in 'Lenovo' started by brickabrack, Aug 16, 2007.

  1. brickabrack

    brickabrack Notebook Enthusiast

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    I have ThinkVantage Power Manager set to "Maximum Battery Life" (a setting that came with the program) and with wi-fi on/bluetooth off. Right now I have 91% left and the estimation is that I only have 2:52 hours remaining. Isn't that a bit low for a 7-cell battery? My T61 is brand-spanking new so I still haven't done a battery run-down marathon, but is the ThinkVantage battery meter (NO, not the Vista one) a good measure for remaining battery life?

    And right when I'm about to post this message, the meter now says I have 3:38 left. What the heck?
     
    brickabrack, Aug 16, 2007
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  2. nickmak

    nickmak Notebook Enthusiast

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    It probably takes a while for your battery to stabalize... Also your battery life depends on whether you have the integrated graphics or dedicated graphics. I have a T61 with the 6 cell battery and the Nvidia solution and it seems about correct to have 2:52hrs with 91% remaining.

    Cheers,
    Nick
     
    nickmak, Aug 16, 2007
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  3. brickabrack

    brickabrack Notebook Enthusiast

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    I have X3100.
     
    brickabrack, Aug 16, 2007
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  4. eyecon82

    eyecon82 Notebook Deity

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    I was wondering the same thing...my green batter bar and windows battery bar differs almost 45 mins... i wonder which is more accurate
     
    eyecon82, Sep 17, 2007
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  5. dimonay

    dimonay Notebook Consultant

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    Lenovo/IBM claims that their battery meter is the most accurate, I'll see if I can dig up the link to it...
     
    dimonay, Sep 17, 2007
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  6. eyecon82

    eyecon82 Notebook Deity

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    Thanks...I was hoping windows would be more accurate since it gives me more time.. :eek:
     
    eyecon82, Sep 17, 2007
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  7. palmag

    palmag Notebook Enthusiast

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    I have noticed when the Hard drive is working at high capacities and I do a battery check my results are lower than when the laptop is idling. Do the checks at idle to get a good gauge to find out if something is amiss.
     
    palmag, Sep 17, 2007
    #7