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15.4 Macbook pro retina only 4.5 hours of battery life

368 Views 7 Replies Latest reply: Aug 20, 2013 10:17 PM by mende1 RSS
chrisngo Calculating status...
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Aug 20, 2013 8:07 PM

I have a macbook pro retina 15 inch (mid 2012), 2.6ghz, 8gb RAM, that I bought from jnr electronics about 1 month ago in July 2013.

 

This product is advertised as having 7 hours of battery life.

 

I decided to time the battery life and found that it only had 4 hours and 33 minutes during light web browsing and Gmail chatting with no flash, video or audio being played.

 

This is nearly 2- 1/2 hours less than advertised.

 

I noted that at 3:25pm I had 100% battery, and at 7:58pm I had 0% battery. (pictures attached.)

 

Screen Shot 2013-08-20 at 8.02.22 PM.png

 

Screen Shot 2013-08-20 at 8.02.57 PM.png

 

Is there something wrong with my battery?

MacBook Pro with Retina display, iOS 6.1.4, (mid 2012), 2.6ghz, 8gb RAM

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