The Low Battery Warning and Low Battery Critical Panels
Keywords: KDE, KControl, Battery, Power

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# 5.32. The Low Battery Warning and Low Battery Critical Panels

## 5.32.1. Introduction

These two modules work together to control what happens when a pre-determined low battery condition occurs. There are two of them, so you can set a warning for when time is getting close, and something more desperate for the last minute save or suspend.

| The laptop modules require the correct installation of the apm modules. For more information see the section entitled Laptop Information.

## 5.32.2. Use

Low trigger

This field specifies at which point the battery low state is detected - it is the number of minutes left (according to APM) in your batteries. When this number is crossed the low state is triggered and one or more of the following things will occur

Run Command

  This is a shell command that will be executed when the battery low is detected. By default, this is turned off.

Play Sound

  This specifies a sound to play when battery low is detected. As of this version, it will only play .wav files. Simply specify the path to the file to have it played. By default, this is turned off.

System Beep

  Enabling this will cause the battery monitor to beep whenever the battery level drops below the preset value. This is probably the least intrusive, yet still active, method of alerting the user that the battery is low. By default, this is on.

Notify

  Enabling this will cause Battery to popup a window when the battery becomes low.

Suspend

  If you have set up `/usr/bin/apm` to be run setuid (see the instructions for the "Power" panel) then this check box will appear - if checked it will cause your computer to be put into "Suspend" mode.

Standby

  Like "Suspend" above, but it puts your computer into "Standby" mode.

## 5.32.3. Section Author

This section written by Paul Campbell `<paul@taniwha.com>`

Converted to Docbook by Mike McBride `<mpmcbride7@yahoo.com>`

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