Hello aledon2000,
Please double check if your BIOS is up to date
https://www.asus.com/Laptops/ASU ... /HelpDesk_Download/
And you may adjust the battery mode in My ASUS as well.
Also, were the photo took when you feel the temperature is high and the temperature
it's around 40-50?
How long had the device been idled but not in sleep mode?
Thank you.