Get the rated battery life on an Asus UL80V laptop in Ubuntu 10.10

We recently purchased a new computer for my mother. She wanted nothing to do with Windows, and asked if we could install Linux. An Ubuntu 10.10 install went well, but a few things were missing. Namely, the 10hr+ battery life claimed by the manufacturer. I quickly discovered the LCD brightness was set to 100% and both video cards were enabled.

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