migraywolf Said:
"Why my 2020 MacBook Air M1 battery drains quickly: After being on charge overnight, I unplug and read news in the morning for about an hour and notice that my battery has drained to about 20% over that time. It used to last much longer throughout the day. What is causing this?"
-------
Report back if anything here helps...
Troubleshooting Mac Battery Drain:
A. Black Mac Screen:
Go Here: If your Mac doesn't Turn On or Start Up - Apple Support
Using External Devices: Try Resetting the SMC and NVRAM, but this time, using an external keyboard. Connect an external monitor and see if you get an output.
B. Mac Power Issues:
Try a New Charger:
If it is currently charging from a charger, then use a new charger:
C. A Few Links to Refer to Power: