Modern smartphones are protected against overcharging, but heat and use habits can still degrade your battery over time.
The phone will also support 68W wired fast charging and 15W wireless charging, which should make battery anxiety a thing of ...
You don't need the power button to restart your Android. If yours is broken or you just want options, here are two.
To prevent this and prolong your battery's life, avoid letting the battery drop below 20%. If you won't use your tablet for some time, charge it to 50% capacity and shut it down before storing it.