Has upgrading to ML affected battery life for a lot of people?

Discussion in 'MacBook Air' started by coldjeanzzz, Dec 27, 2012.

  1. coldjeanzzz macrumors 6502a

    Nov 4, 2012
    I'm still afraid to upgrade to ML because I keep reading about how a lot of people experienced significant drops in battery life and I haven't read of any explanation for why. Has this been common for people who upgraded?
  2. robvas macrumors 68030

    Mar 29, 2009
    It's fixed in the latest version fo Mountain Lion


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