Laptop battery discharges very quickly after reaching some charge level
The laptop battery discharges very quickly after reaching some charge level. For example, it takes normal time for the battery to discharge from 100% to 75%, but after reaching 75% level it discharges to 0% very quickly. The same failure occurs after recharging the battery again.
Main battery failure.
Possible troubleshooting steps and repair solution:
This problem is related to the battery failure. Apparently, the battery is getting old and
has to be replaced.