About the MacBook Unibody Late-2009 Model's Battery

Hi,
I want to know something about the MacBook Unibody's battery... does anyone's battery lasted to around 6-7 hours in one go from 100% battery to 0% ???
And what is the full capacity for a built-in battery last for 7 hours of battery?
My Full charge capacity is = (mAh): 4786
anyone has a higher number than this number? is that number look normal or different?

Even if someone says yes to the first question, it doesn't really matter. Battery life is unique to everyone, because it depends a great deal on what you're doing with the system how long the battery will last. You always have to take manufacturer estimates with a pretty big grain of salt however. They don't lie so much as base their figures on employing every little trick possible, and leaving the laptop in what would be a completely unusable state for probably 99.9% of people. All the major computer makers do this, not just Apple.

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