Battery / power measurement for Windows laptops

Windows 10 / 11PowerShell 5.1 MIT licensedFree Zero installOffline
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wattlogpowercfg /batteryreportHWiNFO64 (free)
MIT
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# discharge: YouTube playback, stop at 10% remaining
powershell -NoProfile -ExecutionPolicy Bypass -File logger.ps1 `
  -Mode discharge -Interval 5 -StopAt 10 -Note "brightness 60%, volume 20, WiFi on"

# charge: 10 minutes from 20%
powershell -NoProfile -ExecutionPolicy Bypass -File logger.ps1 `
  -Mode charge -Interval 5 -Duration 10

# rebuild only the HTML from an existing CSV (no re-measuring)
powershell -NoProfile -ExecutionPolicy Bypass -File logger.ps1 -FromCsv logs/wattlog-discharge-....csv

5 s

9 fields

2 W paths