PMU Problem or Battery????

I have posted my issue elsewhere in here so won't go into too much detail, but my battery life took a drastic drop yesterday after charging it (it lasted 3 hours, then after charge only lasted 20 minutes). It now states 69 cycles and only 544 mAh capacity and the computer is only 14 months old. Would this indicate a battery problem or a PMU problem?
Thanks in advance for any help.
Mike

now I am finding that every time I unplug it the battery says something new. I unplugged it and it went pack up to 4200. I shut it off and when I turned it back on it said 784, then when that ran down I plugged it in and it went to 817, then when I unplugged that it went to 860. Does anyone have any ideas as to what is happening? Is this truely a battery issue or is it something more?

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