iPhone 11 won’t charge past 92 percent

With iOS 13 and later, Optimized Battery Charging is designed to reduce the wear on your battery and improve its lifespan by reducing the time your iPhone spends fully charged. When the feature is enabled, your iPhone will delay charging past 80% in certain situations.

About Optimized Battery Charging on your iPhone - Apple ...

Jody ~ This may be relevant:

About recalibration of battery health reporting in iOS 14.5

õ¿õ¬

It may improve with ios14.5