Laptop users learn something very quickly: always keep an eye on how much charge your battery

Feb. 21, 2011 - PRLog -- Most window managers -- like KDE, GNOME, and Xfce -- come with good battery monitors. They will also manage screen brightness in most cases. Alost all of the previously mentioned window managers use PowerDevil to do so. But if you use a window manager that doesn't, or if you want a little more accuracy, you can turn to the command line to help.
Using acpi.


Just about every Linux distribution supports ACPI (the Advanced Configuration and Power Interface). It's a fancy name for the way in which a computer manages and configures devices and its power supply. Of course, Linux includes a command line utility for using ACPI called ... well, acpi.

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Open a terminal and run the command acpi. Note if you are running this command on Ubuntu or its derivatives, then you will have to install acpi. sudo apt-get install acpi will do the trick. This command returns how many minutes of power the battery has left, as well as the percentage of power it has -- for example, 9%. Useful, but what if you want more information?

If that's the case, then run the command acpi -V. This command displays the same information as the one above, but with a few extras like whether the AC adapter is plugged in and the temperature at which your laptop is running. If you're plugged in, running acpi -V also displays how many minutes are left until the battery is at 100% power.

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laptop battery care tips

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