Brand new 13" MBP Battery life is not 10 hrs.

Today I got my brand new 13" Macbook pro. The battery is advertised as lasting up to 10 hrs. This is my first time using the computer and I charged it up completely. I just unplugged it. The battery meter on top reads 6.46 hrs.
I have the display turned down. and the keyboard backlight off. I do have wifi on and bluetooth on but why is it not reading higher?

Yes you should calibrate your battery at least a couple times. I just purchased a new 15" i7 and found some improvement after doing it once, and a little bit more after the second time. Here's some instructions from Apple...
http://docs.info.apple.com/article.html?path=Mac/10.6/en/9036.html
With the 13" you have a very energy efficient machine but Apple's battery times are under "ideal" conditions and seem to be a little overstated (OK maybe more than a little). My 2008 15" non-unibody had a "5 hour battery" and in real life it was more like 3-4 hr maximum under light use. *I also had the 2009 version of your 13" and got around 6-6.5 hrs max out of the "7 hour battery" again under light usage.* My 2010 15" i7 well... let's just say the 8-9 hours quoted must be under lab conditions! Real life battery is 2-7hrs depending upon usage. Ugh.

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Welcome to the Forums
As per the query we understood that you are facing issue with battery in your Lenovo Y50-70 laptop.
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Click here for the energy management.
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Brand new 13" MBP Battery life is not 10 hrs.

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