iPhone 14 Pro Max battery draining rapidly with 89% health

89% battery health

iOS 18.1.1

14 Pro Max

Location services disabled

Disabled all background app refresh

Disabled always on display

5.5 hours avg use and it goes from 100% (not even 80%) to 20%. 6 hours if I go to 0%.

I’ve seen that this phone gives like 7-8 hours screen time (even with 90% battery health

[Re-Titled by Moderator]