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I used Ubuntu on my previous laptops and it was very common that after I use Ubuntu on my laptop the battery almost always degraded. The batteries on my old laptops were LiON.

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Ubuntu or should I say Linux doesn't degrade batteries, it just puts to use what is already there and uses enough power to run the kernel and software the end-user needs to run... Power management is always being worked on to make things run better for longer and of course choosing a lighter desktop like XFCE or LXDE will make the battery go farther than eye-candy rich desktops like Unity and KDE...

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  • You mean the battery charging is done wholly by the hardware, there is no specific software that controls the charging proccess?
    – olzhas
    Jun 29, 2014 at 5:34
  • That is correct...
    – TenPlus1
    Jun 30, 2014 at 6:14
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I got MacBook Air 2017 here, powertop + light theme + deactivated bluetooth gives me about 6-7 hours. And yet I'm confident it can be better.

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