Question about battery life

Hi everyone,
I got my refurbished MBP 13" mid 2010 model two Friday's ago (July 16) from the Apple online store and I have some questions about the battery life....
Immediately after I got it, I followed all the battery calibration instructions from apple.com/batteries (and did it again after it because I was unsure if I did it properly). While it was charging, I was installing some recommended applications, one being coconutBattery. In the additional information section, it said that my MBP was 7 weeks old, has gone threw 10 battery load cycles, and had a original battery capacity of 97%. I am now at 17 loadcycles, with 94% original battery capacity.
Now to how much time I get with the battery... I have done some testing of my own, such as watching some movies (Tron and Star Trek First Contact, I'm a geek :D), basic web browsing (5 tabs open, reading blogs, watching a couple of 3 minute youtube videos) and listening to an audio book (iWoz) with a tab or two open. The best battery life I have gotten (basic web browsing) was 5 1/2 hours, with 60% LCD brightness, keyboard backlight off, and bluetooth off, with just Chrome and coconutBattery open.
Is this the average battery life for everyone else? I bought this because of its supposedly good battery life, and though I am very happy with my purchase, I just want to make sure that I have a fully working MBP.
Some other notes:
The battery meter next to the clock sometimes says that 98% is fully charged (I think it is just a glitch)
The estimated battery life is between 9-11 hours when brightness is at 30%-40%, airport and bluetooth is off, and keyboard backlight is off when I am doing text editing.
Thanks in advance.
EDIT: Forgot to say I have the 2.4ghz 250gb model.
Message was edited by: trsohmers

My MBP has been plugged in and fully charged for the past 2 hours and everything listed here has been the same, and here is some information in coconutBattery:
Current Battery Charge: 5434 mAh
Maximum Battery Charge:5490 mAh
Current Battery Capacity:5490 mAh
Original Battery Capacity:5770 mAh
Battery-Loadcycles: 17
Age of your Mac: 2 months (I have had it 2 weeks)
Charger is connected: Yes
Battery is charging: No

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