🔋 Battery Alert for Windows

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A lightweight PowerShell script that helps you maintain battery health by notifying you when your laptop battery reaches 80% while charging. Built using the BurntToast module for modern Windows toast notifications.

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✨ Features

• ✅ Windows 10/11 compatible
• ✅ Native toast notifications (BurntToast)
• ✅ Runs silently at login via Task Scheduler
• ✅ Reminds every 5 minutes while charging past 80%
• ✅ Easy to customize threshold (default = 80%)

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📜 Script

BatteryAlert.ps1:

Import-Module BurntToast Add-Type -AssemblyName System.Windows.Forms

while ($true) { $power = [System.Windows.Forms.SystemInformation]::PowerStatus $charge = [math]::Round($power.BatteryLifePercent * 100) $status = $power.PowerLineStatus # "Online" means charging

if ($status -eq "Online" -and $charge -ge 80) {
    New-BurntToastNotification -Text "Battery Alert", "Battery is at $charge%. Please disconnect the charger!"
    Start-Sleep -Seconds 300  # remind every 5 minutes
}

Start-Sleep -Seconds 60  # check every 1 minute

}

⚡ Quick Start

1. Install BurntToast (one-time): Install-Module -Name BurntToast -Scope CurrentUser -Force

2. Save the script somewhere stable, e.g.: C:\Users\Documents\BatteryAlert.ps1

3. Test manually: powershell.exe -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Documents\BatteryAlert.ps1" (For a quick test, you can temporarily change -ge 80 to -ge 1.)

🚀 Run at Startup (Task Scheduler)

1. Open Task Scheduler → Create Task…

   General tab:

   Name: Battery Alert

   Check: Run only when user is logged on

   Check: Run with highest privileges

2. Triggers tab:

   New → Begin the task: At log on

3. Actions tab:

   New → Action: Start a program

   Program/script: powershell.exe

   Add arguments: -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Documents\BatteryAlert.ps1"

4. Save → Right-click the task → Run (to test).

🖼️ Preview

When charging past 80%, you’ll see a toast notification like this:

Battery Alert Battery is at 80%. Please disconnect the charger!

📄 License

This project is licensed under the MIT License.

🙌 Acknowledgements

BurntToast for PowerShell toast notifications

Windows Task Scheduler for automation