90% is pretty degraded for a battery (if the battery health metrics work the same way as Androids do). By 80% it's usually almost completely unusable, in my exp

90% is pretty degraded for a battery (if the battery health metrics work the same way as Androids do). By 80% it's usually almost completely unusable, in my experience Though I agree that battery health hasn't been super important to performance. But resetting the phone can do wonders