HP has laptop limited performance on battery

If I unplug my laptop, it looses significant amount of performance - it is clearly visible even in switching windows, opening task manager, reading emails in outlook 365 desktop app etc... everything that is instant when plugged in, takes few seconds on battery. To have also some exact numbers - this simple benchmark https://browserbench.org/Speedometer2.1/ scores over 200-280 plugged in, but only about 100-120 on battery. I observed, that CPU won't go higher than 1,33 GHz on battery (less than half of standard frequency, compared to plugged in with boost goes up to 4 GHz). Maybe also other po

Question by tomas on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.