# Exit this script if the current device doesn't have a built-in battery
If ( $null -eq (Get-CimInstance -ClassName Win32_Battery -ErrorAction SilentlyContinue) ) { Microsoft.Powershell.Utility\Write-Output "This endpoint does not have a battery" ; Exit }

# Define file paths
$Today = Get-LongDate
$ReportPathNoExt = "${OutputDirectory}\batteryreport_${Env:COMPUTERNAME}_${Today}"
$HtmlReportPath = $ReportPathNoExt + '.html'
$XmlReportPath = $ReportPathNoExt + '.xml'

# Delete reports if they already exist
If ( Test-Path $XmlReportPath ) { Remove-Item -Path $XmlReportPath -Force }
If ( Test-Path $HtmlReportPath ) { Remove-Item -Path $HtmlReportPath -Force }

# Generate the XML report
Write-Output "Generating XML battery report: ${XmlReportPath}"
Try { Start-Process "powercfg.exe" -ArgumentList "/batteryreport /output ""${XmlReportPath}"" /xml" -Wait }
Catch { Write-Error $_.Exception.Message }

# Convert XML report to HTML
Write-Output "Generating HTML battery report: ${HtmlReportPath}"
Try { Start-Process "powercfg.exe" -ArgumentList "/batteryreport /transformxml ""${XmlReportPath}"" /output ""${HtmlReportPath}""" -Wait }
Catch { Write-Error $_.Exception.Message }