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Battery - 4M529 (2 types?) 90Wh

Discussion in 'Dell Latitude, Vostro, and Precision' started by pbier, Mar 16, 2011.

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  1. pbier

    pbier Newbie

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    Hello.
    I have both notebook (e6410) with 90Wh battery. Baterry type is 4M529.
    This Battery haven't got led indicator on back side.
    (cell made in korea, pack assembled in china, Samsung)

    I have both second battery. The same. 4M529, the same 90Wh
    This battery HAVE leds on back (indicator of power left).
    (cell made in japan, assembled in china, Sanyo).


    Why only 1 battery have led indicators? Both are - oryginal?
    Which battery is better? wchich will be live longer?

    Photo: http://img7.imageshack.us/i/batterym.jpg/
     
    pbier, Mar 16, 2011
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  2. namaiki

    namaiki "basically rocks" Super Moderator

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    Do the batteries have any revision code printed on them? e.g. Rev: A01
     
    namaiki, Mar 16, 2011
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  3. pbier

    pbier Newbie

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    No. There is no revision code on this battery
     
    pbier, Mar 16, 2011
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  4. Zero Cool

    Zero Cool Notebook Enthusiast

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    Try checking your Fully Charged Capacities and Wear Levels using HWiNFO32.

    If both batteries are 90Wh, then the battery with the higher fully charged capacity should be the better one, since battery wear is a function of age, storage conditions, and usage
     
    Zero Cool, Mar 19, 2011
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