How is the battery life of the latest maxed out MBA 13"?

Discussion in 'MacBook Air' started by hajime, Aug 8, 2012.

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  1. hajime, Aug 8, 2012

    hajime macrumors 68030

    Joined:
    Jul 23, 2007
    #1
    Hello, supposing that I fully charge the MBA (2012 summer model, 2GHz i7 [u p to 3.2GHz under turbo boost], 8GB RAM, 512GB SSD) and use it to surf the web. How many hours can it last? Does it make any difference if I opt for the 255 SSD? How is the battery life if I use the MBA for other operations? Thanks.
     
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  2. gnagy, Aug 8, 2012

    gnagy macrumors regular

    Joined:
    Sep 7, 2009
    #2
    That's going to depend on many things:
    - screen brightness
    - keyboard brightness
    - what pages you are surfing

    The size of the SSD and amount of RAM will not make any difference at all.

    I would say the 7 hours apple mentions is fairly accurate for light use like browsing.
     
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  3. Ndynslvr, Aug 8, 2012

    Ndynslvr macrumors newbie

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    Aug 7, 2012
    #3
    The CPU chip will though, although not by much.

    The weaker, the longer.
     
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  4. wolfpuppies3, Aug 9, 2012

    wolfpuppies3 macrumors 6502

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    Jun 26, 2012
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    Virginia, USA
    #4
    You pretty much describe my 2012 MBA

    and it got an honest 5-6 hours for me until I installed ML which dropped it considerably. Ars Technica reports that you lose about 38% battery life with ML vs Lion.
     
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