Your Laptop Battery Life w/ Linux?


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When Ubuntu 8.04 was released, I just had to test it with a Live CD. I fired it up and it was pretty cool that every important component worked out of the box.

I'm curious at what battery life are you guys getting in your Linux setups, and how it compares to when it's Windows if possible? From a lot of what I've found around, it tends to be lower than Windows, sometimes considerably lower.

On Vista, I get over 3:30 hours. I haven't tested Ubuntu's battery's lifetime yet, but I will in the time to come. If I can get Ubuntu running with XP virtualized on VirtualBox and squeeze in at least 3 hours of battery life, that would (almost) make me remove my Vista partition right there.

So yeah, how much are you guys getting on your Laptops, and do you follow the same techniques as in windows to save battery by reducing brightness, shutting off unecessary processes, services, etc.?

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Mac OSX = less or more 5 hours

Ubuntu with compiz = less or more 2:30

Gentoo without almost any powermanagement feature = 3 hours, i can probably do better.

Gentoo can do better because less stuff run in background, so the computer stay in idle mode.

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