PowerShell/docs/check-power.md
2024-08-15 09:51:46 +02:00

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Script: *check-power.ps1*
========================
This PowerShell script queries the power status and prints it.
Parameters
----------
```powershell
PS> ./check-power.ps1 [<CommonParameters>]
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
Example
-------
```powershell
PS> ./check-power.ps1
Battery at 9% with 54min remaining · power scheme 'HP Optimized'
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.SYNOPSIS
Checks the power status
.DESCRIPTION
This PowerShell script queries the power status and prints it.
.EXAMPLE
PS> ./check-power.ps1
⚠️ Battery at 9% with 54min remaining · power scheme 'HP Optimized'
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
try {
if ($IsLinux) {
$reply = "✅ AC powered" # TODO, just guessing :-)
} else {
Add-Type -Assembly System.Windows.Forms
$details = [System.Windows.Forms.SystemInformation]::PowerStatus
[int]$percent = 100 * $details.BatteryLifePercent
[int]$remaining = $details.BatteryLifeRemaining / 60
if ($details.PowerLineStatus -eq "Online") {
if ($details.BatteryChargeStatus -eq "NoSystemBattery") {
$reply = "✅ AC powered"
} elseif ($percent -ge 95) {
$reply = "✅ Battery $percent% full"
} else {
$reply = "✅ Battery charging ($percent%)"
}
} else { # must be offline
if (($remaining -eq 0) -and ($percent -ge 60)) {
$reply = "✅ Battery $percent% full"
} elseif ($remaining -eq 0) {
$reply = "✅ Battery at $percent%"
} elseif ($remaining -le 5) {
$reply = "⚠️ Battery at $percent% with ONLY $($remaining)min remaining"
} elseif ($remaining -le 30) {
$reply = "⚠️ Battery at $percent% with only $($remaining)min remaining"
} elseif ($percent -lt 10) {
$reply = "⚠️ Battery at $percent% with $($remaining)min remaining"
} elseif ($percent -ge 80) {
$reply = "✅ Battery $percent% full with $($remaining)min remaining"
} else {
$reply = "✅ Battery at $percent% with $($remaining)min remaining"
}
}
$powerScheme = (powercfg /getactivescheme)
$powerScheme = $powerScheme -Replace "^(.*) \(",""
$powerScheme = $powerScheme -Replace "\)$",""
$reply += ", power scheme is '$powerScheme'"
}
Write-Host $reply
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*(generated by convert-ps2md.ps1 using the comment-based help of check-power.ps1 as of 08/15/2024 09:50:46)*