If you need to optimize the charge/discharge cycle of your battery, depending on costs, load, PV prod and so on I would suggest you to give a try to this add-on, I’m already playing with:
For more details about how to use it you can have a look at this thread (not add-on specific but everything you see there is valid for it as well - if you use the add-on, of course):
https://community.home-assistant.io/t/emhass-an-energy-management-for-home-assistant/338126
Interesting, for the moment I’ve applied an average cost difference between buying and “ritiro dedicato (RID)” sales prices; I’ll have a look to see if it’s more precise and allows me to make this little step automatic.