Hi Belushi7, Could you please let us know the place of purchase of your Note20 Ultra.
It’s recommended to optimize battery usage time by setting optimized power mode, adaptive power saving feature or adding unused apps to sleep depending on your usage pattern. Please note that usage time may vary depending on your device settings and operating conditions.
Please use the link below to generate the error report from Samsung Members app so that the team can review the Log Files and will get back to you.
In step 5, please select "Application" category.
In step 6, Please check "send the system log data".