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I ran powercfg /batteryreport in powershell to view my laptop's battery report. The state of my laptop's battery keeps switching between Connected standby and Active even though the laptop is always plugged-in and I don't close/open the lid. What could explain it?

E.g. see the table below from 2022-06-18 02:22:02:

START TIME STATE SOURCE CAPACITY REMAINING
2022-06-1709:42:18 Connected standby Battery 83 % 72,230 mWh
09:42:18 Suspended 83 % 72,230 mWh
09:42:54 Connected standby AC 84 % 72,626 mWh
09:43:29 Active AC 84 % 73,127 mWh
2022-06-1800:48:17 Suspended 87 % 75,286 mWh
00:49:51 Active AC 87 % 75,833 mWh
02:19:00 Suspended 100 % 86,974 mWh
02:22:02 Active AC 100 % 92,325 mWh
02:52:02 Connected standby AC 100 % 92,325 mWh
02:52:03 Active AC 100 % 92,325 mWh
02:52:33 Connected standby AC 100 % 92,325 mWh
02:53:33 Active AC 100 % 92,325 mWh
02:54:04 Connected standby AC 100 % 92,325 mWh
02:57:17 Active AC 100 % 92,325 mWh
03:02:44 Connected standby AC 100 % 92,325 mWh

The laptop is a GS76 Stealth 11UH running on Microsoft Windows 10.


Full report:

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There is a feature in modern laptops that allows the CPU to temporarily draw more power than the AC connection can supply, and if you activate that in the Bios, the behavior you see should happen:

  • High load, CPU runs on full AC supply plus battery power
  • Normal load, CPU runs on AC supply and battery gets recharged.

HP calls this "DC Power Boost", and it can be activated in the Bios, under 'Advanced Settings'. Other manufactures probably have other cool names for it.

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