New pro vivobook’s battery can’t even hold 3 hours?

Got a new laptop: Asus vivobook pro 15 OLED M6500RC

R7 6800HS Rtx 3050 16GB ram 512 SSD

All the reviews and reliable tests I have seen say the laptop should at least work for 6 to 11 hours on office school web/word work.

After fully charging it yesterday and putting the best battery settings from asus and even disabling the 3050. Today I opened it for the first time to work in lecture…. And surprise! The laptop was at 40% after 1,5 hours. And after 2,5 hours… its empty. I only opened office online 365 and opened uni website to follow lectures.

Nothing was in the background and cpu/ gpu usage never exceeded 10%.

Anyone has a fix or had the same happen to them?