Add check-battery.ps1

Scripts/check-battery.ps1

@@ -0,0 +1,30 @@
+<#
+.SYNOPSIS
+	Checks the battery status
+.DESCRIPTION
+	This PowerShell script checks and prints the battery status.
+.EXAMPLE
+	PS> ./check-battery
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+try {
+	Add-Type -Assembly System.Windows.Forms
+	$Details = [System.Windows.Forms.SystemInformation]::PowerStatus
+	switch ($Details.PowerLineStatus) {
+	"Online"  { $PowerStatus = "Plugged in to AC power" }
+	"Offline" { $PowerStatus = "Disconnected from AC power" }
+	}
+	switch ($Details.BatteryChargeStatus) {
+	"NoSystemBattery" { $BatteryStatus = "no system battery" }
+	default           { $BatteryStatus = $Details.BatteryChargeStatus }
+	}
+	"✅ $PowerStatus, $BatteryStatus"
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}