Battery draining issue
My battery drains very fast while making audio calls. Upto 2% is getting drained per minute
iPhone XS, iOS 13
Question marked as
Check out this page on how to maximize your battery performance.
Batteries - Maximizing Performance - Apple
However, you might want to consider checking your battery health. You can do this by going to Settings > Battery > Battery Life. You want to make sure your Battery Life is above 80%. If it is below 80%, you might want to consider a battery replacement. Check out this page for more information on battery replacement prices.