Macuser2024 wrote:
Is sleep mode better or Lock Screen instead if shutting down. I see my laptop looses all the battery while on Lock Screen and when I am not using it.
I just close the lid and let it sleep.
Make some changes to >System Settings>Battery>Options

The rule of thumb—if you are near the mains leave it plugged in, if you need the portability then run on the battery only—this is how you help optimize your battery charging and extend the working life of your battery by reducing the cycle count.
Learn how to optimize the life of the battery in your Mac notebook, fix battery issues, and get service.
https://support.apple.com/en-us/HT204054