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SUMMARY


STEPS TO REPRODUCE
1. unplug the laptop
2. discharge the battery to 49%
3. energy saving should start at 5% of battery capacity

OBSERVED RESULT
internal screen is switched off (or the backlight is switched off), a connected external screen stays on an I can work on this screen normally. without external screen the laptop screen goes off and I can't work

EXPECTED RESULT
internal screen stays on.  

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: 6.12.8-amd64 (64-bit) / 
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.10.0
Qt Version: 6.7.2

ADDITIONAL INFORMATION: Debian Sid