Battery Installed.xml

<?xml version="1.0" encoding="UTF-8"?>
<extensionAttribute>
	<displayName>Battery Installed</displayName>
	<displayInCategory>System Information</displayInCategory>
	<dataType>string</dataType>
	<description>This attribute returns whether or not a battery is currently installed in a system that supports batteries.</description>
	<scriptContentsMac>#!/bin/sh

echo "&lt;result&gt;$(ioreg -r -c "AppleSmartBattery" | grep "BatteryInstalled" | awk '{print $3}' | sed s/\"//g)&lt;/result&gt;"
	</scriptContentsMac>
</extensionAttribute>