Poor MacBook Battery Life

Hi,
I've owned my 13" Retina display for about a month. The most usage I get out of a full charge is 3 hours (keyboard lights off, screen dimmed a bit). All I'm using it for is reading articles and writing text/emails. No Photoshop or other big problems.
Meanwhile my friend can run his from 9am to 4pm daily without recharging.
This is really disappointing. The first powerbook I purchased I had to replace because it kept freezing. Now this.
Is there a solution?
Cheers.

futureperfect,
you’re still in your 90-day gratis Apple telephone support period — make use of it. Call Apple, get their recommendations (even if it’s “your battery is defective, bring back your MacBook Pro for a replacement unit”), try them out, and report back in your reply what worked for you, so that others can benefit from your experience.

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        57 MB    mdworker(7)
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        2.72 GB    Used RAM
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