iphone 14 plus Battery Health reduced to 99%

Hello bro…
iphone 14 plus with in one month la battery health 99% aayiruchu bro…
But heavy use yethuvum pannala…
extrava 7 app tha install pannen…
Two days ku oru vaati than charge panren.
Charge 20% varaikum ponathey illa…
Crt ah 1 month aaguthu… Battery issues yethachu irukuma bro??
Automations extrava vachirukathaala yethachu battery issues varuma?