I just bought this Macbook Air a few days ago and Coconut battery says its age is 28 weeks. Is this just an error by the program, or what's going on here?
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Coconut Battery: Age of your mac: 28 weeks???
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It can be an error, but it could also be, that the MBA rolled off the production line 28 weeks ago. Since then it has been a zombie and now you just revived it.
Anyway, you can check with your serial number here: www.appleserialnumberinfo.com
Anyway, you can check with your serial number here: www.appleserialnumberinfo.com
There were a lot of reports like this when the 2011 MBA was released, probably indicates a lot of them were built back in Feb/Mar timeframe and shelved until the official release a few months later. Should be no big deal, although there is a time-dependent degradation of lithium batteries.
batteries are made somewhere else that sit in a warehouse until they're needed by the manufacturer.
not a big deal, it's not going to be as new as the day you bought it.
not a big deal, it's not going to be as new as the day you bought it.
coconutBattery was never updated for the new Apple serial number system.
If you do a bit of Googling you can find the new system. Apple has done a good job of hiding it, but you can find it if you look.
For example with the new system I can tell you my i7 was built in June, but according to coconutBattery it is 8 months old.
If you do a bit of Googling you can find the new system. Apple has done a good job of hiding it, but you can find it if you look.
For example with the new system I can tell you my i7 was built in June, but according to coconutBattery it is 8 months old.
take cocconutbattery with a pinch of salt, it has been known to get things like this messed up at times 
Battery ages are not measured and never displayed by coconutBattery; only the age of the Mac.
This ^^^
Exactly. Apple Tweaks Serial Number Format With New MacBook Pro
Funny we are talking about this again for the hundredth time and finally today an update was released.
http://www.coconut-flavour.com/
http://www.coconut-flavour.com/
See the post just before yours. Also, it doesn't matter whether you buy it from Best Buy or Apple and it doesn't matter how long you've had it.