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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > Battery Life 85% after 4 1/2 months

Battery Life 85% after 4 1/2 months
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abeato6
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Nov 14, 2007, 06:58 AM
 
I just downloaded an app called coconutbattery.. and it says that my battery is at 85% and has 140 cycles... :S is this info correct?... and is it normal to be like this? wow because it has only been 4 months and i'm noticing also that the battery isn't lasting as long as it used it.
MacBook Pro 2.2 Ghz Intel Core 2 Duo - 2GB RAM - 120GB HDD - Nvidia GeForce 8600M GT 128MB
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ltlasset
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Nov 16, 2007, 04:05 AM
 
As the battery ages it will begin to loose it's ability to hold a charge, just like any other rechargable battery. Does it say 100% at the top? or does it max out at 85%? If it maxes out at 85% and is only 4 months old, then you should get a replacement from apple because the battery is faulty.
     
MacosNerd
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Nov 16, 2007, 09:01 AM
 
Dumb question but did you try re-calibrating the battery to see if that resets it?
     
dennisuello
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Nov 16, 2007, 02:33 PM
 
Originally Posted by MacosNerd View Post
Dumb question but did you try re-calibrating the battery to see if that resets it?
How do you do that?
     
abeato6  (op)
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Nov 16, 2007, 06:22 PM
 
no it charges completely up until 100% but sometimes it only goes to 97 or 98 %
MacBook Pro 2.2 Ghz Intel Core 2 Duo - 2GB RAM - 120GB HDD - Nvidia GeForce 8600M GT 128MB
WD My Book Premium Edition 500GB
iPod 5G 30GB
80GB PS3
     
turnedge762
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Nov 16, 2007, 08:17 PM
 
Originally Posted by dennisuello View Post
How do you do that?
Mac OS X 10.5 Help: Calibrating a MacBook or MacBook Pro battery
     
   
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