my phone is iphone 14 pro max and battery health 98
my battery health is 98%
That's normal for a phone that's 1-2 months old
Batteries degrade over time with usage, that's just how they work.
You can expect about a 1% drop per month with average use on an iPhone.
Apple recommends replacing it when it reaches 80%. Health.
About Lithium Ion Batteries
iPhone Battery and Performance - Apple Support (IN)
Here are some tips on maximizing battery life.
Batteries - Maximizing Performance - Apple