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linux/hardware: improved battery section

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@@ -10,14 +10,30 @@ For non-Linux specific or general topics in hardware see the
The battery of a notebook can be inspected by using the `upower` command. The battery of a notebook can be inspected by using the `upower` command.
To use it the tool needs to be installed. To use it the tool needs to be installed.
In most [Linux](/wiki/linux.md) distributions this is bundled in a package of the same name. In most [Linux](/wiki/linux.md) distributions this is bundled in a package of the same name.
A usage example is shown in the following command.
It will show the state, voltage, percentage and many other information about a given battery. This section is based on [a video by eKiwi](https://youtu.be/t9KMFDTb79E) which addresses battery
health.
To find out about a battery, its name needs to be known, which can be done using the following
command.
```sh ```sh
upower -i /org/freedesktop/UPower/devices/battery_BAT0 upower -e
``` ```
Alternatively `acpi` can be used to achieve the same. Afterwards different values like the state, voltage, percentage and many other can be displayed.
Additionally it will show the original capacity (`energy-full-design`) and the current capacity
(`energy-full`), which can be used to determine the health of the battery.
The following is an example command where `<battery-name>` is the name of the batter returned from
the previous step.
This might by similar to `/org/freedesktop/UPower/devices/battery_BAT0`.
```sh
upower -i <battery-name>
```
Alternatively `acpi` can be used to achieve similar but less information.
It will show the state, the percentage and the time to load or unload.
For this run the following command. For this run the following command.
```sh ```sh