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[lubuntu] low battery backup

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linux-howto

http://ubuntuforums.org – I am using ubuntu 11.10 in vaio vpceb24en with windows7. I am getting battery back up of 1 hour 30 minutes only when i am using ubuntu. but i am getting a battery backup of 3 hours when i am using windows7. so please reply me to solve this problem.. (Hardware)