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I'd like to test the battery life of my ubuntu 12.10 on my Think pad T520. Are there any scripts or tools to log to a file? I'm seeing about 3 hours of use.

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In Power statistics you can view a graph with all the info you need.

Power Statistics > Laptop battery > History/Statistics
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Power Statistics > Laptop battery > History/Statistics –  Alex Seicean Oct 21 '12 at 17:47

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