use strict;
use Win32::OLE('in');

use constant wbemFlagReturnImmediately => 0x10;
use constant wbemFlagForwardOnly => 0x20;

my $computer = "localhost";

my $objWMIService = Win32::OLE->GetObject("winmgmts:\\\\$computer\\roo
+t\\CIMV2") or die "WMI connection failed.\n";
my $colItems = $objWMIService->ExecQuery("SELECT * FROM Win32_Battery"
+, "WQL",
               wbemFlagReturnImmediately | wbemFlagForwardOnly);

foreach my $objItem (in $colItems) {
   print "Availability: $objItem->{Availability}\n";
   print "BatteryRechargeTime: $objItem->{BatteryRechargeTime}\n";
   print "BatteryStatus: $objItem->{BatteryStatus}\n";
   print "Caption: $objItem->{Caption}\n";
   print "Chemistry: $objItem->{Chemistry}\n";
   print "ConfigManagerErrorCode: $objItem->{ConfigManagerErrorCode}\n
+";
   print "ConfigManagerUserConfig: $objItem->{ConfigManagerUserConfig}
+\n";
   print "CreationClassName: $objItem->{CreationClassName}\n";
   print "Description: $objItem->{Description}\n";
   print "DesignCapacity: $objItem->{DesignCapacity}\n";
   print "DesignVoltage: $objItem->{DesignVoltage}\n";
   print "DeviceID: $objItem->{DeviceID}\n";
   print "ErrorCleared: $objItem->{ErrorCleared}\n";
   print "ErrorDescription: $objItem->{ErrorDescription}\n";
   print "EstimatedChargeRemaining: $objItem->{EstimatedChargeRemainin
+g}\n";
   print "EstimatedRunTime: $objItem->{EstimatedRunTime}\n";
   print "ExpectedBatteryLife: $objItem->{ExpectedBatteryLife}\n";
   print "ExpectedLife: $objItem->{ExpectedLife}\n";
   print "FullChargeCapacity: $objItem->{FullChargeCapacity}\n";
   print "InstallDate: $objItem->{InstallDate}\n";
   print "LastErrorCode: $objItem->{LastErrorCode}\n";
   print "MaxRechargeTime: $objItem->{MaxRechargeTime}\n";
   print "Name: $objItem->{Name}\n";
   print "PNPDeviceID: $objItem->{PNPDeviceID}\n";
   print "PowerManagementCapabilities: " . join(",", (in $objItem->{Po
+werManagementCapabilities})) . "\n";
   print "PowerManagementSupported: $objItem->{PowerManagementSupporte
+d}\n";
   print "SmartBatteryVersion: $objItem->{SmartBatteryVersion}\n";
   print "Status: $objItem->{Status}\n";
   print "StatusInfo: $objItem->{StatusInfo}\n";
   print "SystemCreationClassName: $objItem->{SystemCreationClassName}
+\n";
   print "SystemName: $objItem->{SystemName}\n";
   print "TimeOnBattery: $objItem->{TimeOnBattery}\n";
   print "TimeToFullCharge: $objItem->{TimeToFullCharge}\n";
   print "\n";
}
sub WMIDateStringToDate(strDate){
   return "blah";
}
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