New MacBook Air 13´´ - battery drains really fast

So I bought yesterday MacBook Air 13´´. I assumed it was going to be fully or half charged but the battery was dead when I opened the computer. Then I put it on charge and it took about 2-3 hours to fully charge it. After that the battery started to drain really fast, and I didn't expect that. I supposed MacBook 13´´has a battery which could last for about 13 hours, but this is to strange. I don´t have experience with Mac, this is my first Mac, so any suggestions would be appreciated.
P.S. I updated OS X cause App Store said there's an available update. Don´t know if that has anything to do with it.

I´m currently in Germany and I´m flying back to Croatia tomorrow. So I won´t be able to do that. :/
I´ll try to drain battery to 0%, then recharge it again. I read somewhere that could help for first time charging and recharging.
Don´t know is it normal for Mac to come with drained battery?

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12 hours quoted is the result of testing the battery under lab conditions.
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About batteries: http://support.apple.com/kb/HT1446
Best.

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Hi pandu9,
Thanks for visiting Apple Support Communities.
If the battery runtime on your MacBook Air is unexpectedly low, start with these troubleshooting tips:
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A great place to start when troubleshooting battery issues is the built-in diagnostics that are available on your Mac notebook. Review the following articles for more information on using diagnostics.
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Welcome to Apple Discussions,
Try this and check.
Before you start with the reset, connect your mac to a power outlet. Do not use battery power
*Resetting PRAM and NVRAM*
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6. Release the keys.
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Hardy
Message was edited by: itsmehardy

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H guys
I just bought my new macbook air 2013, Do I need to calibrate my new macbook air's battery after unboxing it?

No, as per Apple, current Lipo batteries in the Air do NOT need calibration
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*Contrary to some myths out there, there is protection circuitry in your macbook and therefore you cannot 'overcharge' it when plugged in and already fully charged
If you leave your macbook plugged in all the time, take it off charge and drain the battery down to 15 or 20% every couple of weeks or so.
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LiPo batteries do NOT like to be dropped down to 15% or so often,....key word being "often"
A lot of battery experts call the use of LiPo cells the "80% Rule" ....meaning use 80% of the charge or so,.. then recharge them for longer overall life.
Never let your Macbook die from power, you can corrupt files that way, and the batteries do not like it.
The only quantified abuse seen to LiPo cells is instances when often the cells are repeatedly drained very low.
Contrary to what some might say, LIPo batteries have an "ideal" break in period. First ten cycles or so, don't discharge down past 40% of the battery's capacity.
Same way you dont take a new car out and speed and rev the engine hard first 100 or so miles.
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http://www.apple.com/batteries/notebooks.html
http://support.apple.com/kb/HT1446
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Hi,
I've seen many peoples wondering about the new macbook air's battery.
But didn't clear me up.
So I'm still wondering about the adaptive charging used in the macbook pro's.
Does the new macbook air have adaptive charging or not?
and if so, are they functioning as the macbook pro?
Because in one of those topics someone asked the same stuff, and the answer was: "type=yes, Size=no"
So the new macbook air series are will adaptive charging chip, but are they functioning with 1000 charging cycles?
I'd understand that the mba won't last for 7 hours or anything like that as the macbook pro, because its not a battery with the same quantity cells, cuz the mba uses a lil bit smaller battery.
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MY NEW MACBOOK AIR IS HEATING UP AND ITS BATTERY IS DRAINING OUT REALLY FAST. WHAT TO DO? I BOUGHT IT JUST 5 DAYS AGO.

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Also open Activity Monitor and set to show 'All Processes' and '%CPU' to display values from high to low. Post that as well like this:
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Ciao.

New MacBook Air 13´´ - battery drains really fast

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