Macbook Air short Battery Life

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I purchased Macbook Air 13 in late 2012. It is advertised as having 7 hour battery life. After a few months of use, with maximum charge it gives me only 2 hours.

Is this normal?

Best Answer

If you're not using a lot of power, this isn't normal. On http://www.apple.com/macbookair/features.html#battery it says up to 7 hours, clearly implying that you could get less. The footnote as text as follows:

The wireless web test measures battery life by wirelessly browsing 25 popular websites with display brightness set to 50%. The standby test measures battery life by allowing a system, connected to a wireless network, to enter standby mode with Safari and Mail applications launched and all system settings left at default. Battery life varies by use and configuration.

So, if you had all of the the brightness on max, CPU topped out, GPU working and storage downloading, I would expect the battery to last between 2 and 3 hours, so you may have a perfectly normal battery or there may be an issue. This sort of thing is exactly what the Genius bar and AppleCare exist to answer on a case by case basis if the online tips don't work or you want to seek a professional opinion and possible repair.

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