Why is my phone battery dying?

Episode 1744 (45:19)

Sam from San Diego, CA
iPhone 6 Battery

Sam is having issues with his iPhone 6 replacement battery life dying quickly. Leo says that it sounds like a bad battery. Phone batteries should have 500 complete charges. There is a "battery health" feature in iOS13 that will tell Sam how healthy his battery is. It's in the phone settings under battery life.