Battery health decreasing so fast

There's a link at the bottom of the iPhone Support page. Click on it an follow the steps mentioned:

Get support

Or pick the phone number for your location on that page:

Apple Support Phone Numbers

You should contact Apple Support and ask them to diagnose your phone, which also can be done online.

I have used my iPhone SE for more than a year now, and still have 97% battery health.

When it drops to 80% replace the battery.

How to contact apple support by online ? Because i do have the same situations my battery health and also battery life drain so fast

I see a phone number at the. orrin of this website. Its 1-800-MY-APPLE. That may help.

oke alright but do you know the email of apple support ?

You can use the contact support link at the top of the page to contact Apple directly.

They will not replay to email.