Battery life is 20 minutes...Get a new one or can I fix something?

Hey Everyone -
My battery on my 15" MBP is absolutely terrible. What will happen is it will drain quickly (~1%/min) until it gets to around 65% battery life, and then the computer just shuts off altogether. It's unacceptable and its also confusing. Not too long ago, I would get the standard 2 1/2 hours without much of a problem, but then one day, poof, battery life is completely gone.
I've owned this computer for about 14 months - is this just a case of me needing a new battery/me overusing the battery, or is there any way to salvage this? I find it strange that this piece of hardware would just konk out so suddenly. Do you think Apple would replace it if I went to them? Any suggestions? Thanks everyone.
TG

There are a couple of things you could try--resetting the SMC and calibrating the battery:
http://support.apple.com/kb/HT1411?viewlocale=en_US
http://support.apple.com/kb/HT1490
What does the System Profiler have to say about your battery? (>About this Mac>More Info>Hardware>Power>Battery Information). Check the Health Information. A battery should retain up to 80% of its original capacity at 300 cycles. If you have a lot of cycles or it says "Check Battery", the battery has likely gone south.
Are you under warranty? Do you have fewer than 300 cycles? If so, you may be able to make the case to Apple that your battery is defective, and they may replace it at no charge to you.
A battery is one of those gray areas where it has to be determined if the battery has failed prematurely due to some defect, or if it has just become worn out from normal usage.
A sudden failure could be an indication that one of the battery's cells has failed. If so, there is no way to fix it.
If you have access to an Apple Store, make an appointment at the genius bar to have it evaluated.
Good luck!

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