Although battery stats are a subjective topic as we all set up our phone's differently, and use different apps and have different usage habits I've found my battery usage to be on par with Android¹² since I updated to Android¹³.
Some generic troubleshooting tips to help if a phone is misbehaving after an update are >
If I can be of any further help then please don't hesitate. Take care. 😎
Daily Driver > Samsung Galaxy s²³ Ultra 512Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
Last week an update of "Private Compute Services" was installed. That seems to have restored the battery life to the level before the Android update.