I found the following issues with my laptop battery after 1803 update.
- Battery back up reduced to 20 minutes from 3 hours.
- Battery icon in task bar disappears occasionally.
- System turns off suddenly with out any warning.
- Battery doesn't get fully charged(only up to 94%).
Laptop Model: HP Notebook-15-ac-141ne
Fan seems to be working properly with out over heating issues.
Error events are shown below.