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e6400 9 cell battery life

Discussion in 'Dell Latitude, Vostro, and Precision' started by minimumlikelihood, Nov 9, 2011.

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  1. minimumlikelihood

    minimumlikelihood Newbie

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    I got a second hand e6400 (nice machine!) with a used 9 cell battery, running Win7.

    Reading some previous posts here, I see I should be getting may 6-8 hours out of the battery, but currently I'm lucky to get 3 hours, even on Power Saver mode.

    The BIOS reports that the battery is healthy. Is there a way to check number of discharge cycles? Should I just get a new battery?

    Thanks.
     
    minimumlikelihood, Nov 9, 2011
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  2. Commander Wolf

    Commander Wolf can i haz broadwell?

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    You can use HWMonitor, etc, to check the actual WHr capacity of the battery. I think it should be somewhere between 80WHr to 90WHr with no wear. I don't think the Dell BIOS starts reporting that a battery is "bad" until it gets near 50% (but don't quote me on that).

    You can also use perfmon or RMClock, etc, to check your actual power draw on battery.
     
    Commander Wolf, Nov 10, 2011
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  3. yonireshef83

    yonireshef83 Notebook Enthusiast

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    Hi, your laptop's battery has probably started to lose its capacity. this is a normal process for Li-on batteries - they wear off after some time, depending on the user and how took care of his battery.
    If you want a nice tool to monitor the battery's health/status use this:
    BatteryCare
     
    yonireshef83, Nov 10, 2011
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