Short battery life on new MacBook Air M4

I use it for email and I use it for email and video watching or other basic stuffs or other basic stuffs

Videos are anything but "light use." They require a lot of CPU and GPU participation, and the battery charge will always go down faster when viewing videos, regardless of the laptop make, model, or OS version.

Useless add-ons like antivirus software and so-called "cleaning" apps. will shorten battery runtime. On such AV package would cut runtimes by 30-40%.

Maximising Battery Performance

The single biggest factor affecting battery life and lifespan is the mix of things you do with your device. Videos and games? Or email and word processing? No matter how you use it, there are ways to extend your battery’s performance.

Learn how to get the most out of your battery

Mine doesn’t last that long either. I came here because my M4 air gets hot. My title also got “ edited “.. I came here for reassurance, but the editing of titles is not very reassuring..