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  1. #1
    SMS
    Guest
    planetx wrote:
    > I am a verizon customer, been thinking of switching to Cingular for
    > sometime. I was curious, why are all the GSM phones purported to have
    > phenomenal battery life. Many of the Motorola phones show 5 and 6+
    > hours. How is that possible? My motorola phones I have own on verizon
    > do not even come close.


    What are the claims for the Verizon phones you have? The claims are
    usually exaggerated, don't compare the battery life you currently get,
    with what is claimed for other phones.

    Compare otherwise identical phones for GSM and CDMA.

    I.e. look at the Motorola KRZR K1 versus the Motorola KRZR K1m and
    account for the different battery sizes.

    K1 (GSM) 700mAH battery, Talk: 5.83 hours Standby: 300 hours
    K1M (CDMA) 850mAH battery, Talk: 4.17 hours Standby: 440 hours

    K1 (GSM) normalized for an 850mAH battery, Talk: 7.1 hours, Standby: 364
    hours.

    One difference here is that the Verizon model has GPS technology, while
    Cingular doesn't yet offer this capability, and this does affect the
    battery life, and it can't be turned off AFAIK.

    This is about right. GSM phones tend to have much longer talk times
    because they don't need as much power to transmit, but have slightly
    shorter standby times. If you're a big talker each day, then GSM may be
    a better choice.

    I have both types of phones, and I charge them each night, and I never
    would be talking enough hours on either to notice a difference each day.
    YMMV.



    [Copied to alt.cellular.attws. Please post all alt.cellular.cingular
    posts to alt.cellular.attws as well. The Cingular name is going away,
    and alt.cellular.attws is the proper venue for posts regarding AT&T's
    Wireless Service.]



    See More: Battery life claims




  2. #2
    John Navas
    Guest

    Re: Battery life claims

    On Tue, 20 Mar 2007 09:46:24 -0700, SMS <[email protected]>
    wrote in <[email protected]>:

    >Compare otherwise identical phones for GSM and CDMA.
    >
    >I.e. look at the Motorola KRZR K1 versus the Motorola KRZR K1m and
    >account for the different battery sizes.
    >
    >K1 (GSM) 700mAH battery, Talk: 5.83 hours Standby: 300 hours
    >K1M (CDMA) 850mAH battery, Talk: 4.17 hours Standby: 440 hours
    >
    >K1 (GSM) normalized for an 850mAH battery, Talk: 7.1 hours, Standby: 364
    >hours.
    >
    >One difference here is that the Verizon model has GPS technology, while
    >Cingular doesn't yet offer this capability, and this does affect the
    >battery life, and it can't be turned off AFAIK.


    A-GPS has no significant effect on battery life.

    --
    Best regards, SEE THE FAQ FOR CINGULAR WIRELESS AT
    John Navas <http://en.wikibooks.org/wiki/Cingular_Wireless_FAQ>



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