I would like people with personal experience with a MacBook Pro 17 to answer this question, unless you actually know. Thanks.
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End Date: Friday May-18-2012 0:53:15 PDT
Does the 17″ MacBook Pro battery REALLY last 8 hours?
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Tags: application, battery, iPad, performance, tests
Generally the time they give is if you have the computer set to the absolute minimum power usage and do not even touch it. In those situations they can last a long time. For normal use they will last much less time. They say "up to 8 hours" so they don’t get in trouble when the average user only gets 5 hours out of a charge.
No it will not last that long, advertising is a wonderful thing