Does iOS 13 decrease battery life?

Apple’s new iPhone software has a hidden feature so your battery won’t wear out so fast. The iOS 13 update includes a feature that will extend your battery’s life. It’s called “optimized battery charging” and will prevent your iPhone from charging beyond 80 percent until it needs to.

Why is my iPhone battery draining so fast after iOS 13 update?

Why your iPhone battery may drain faster after iOS 13

The things that may cause battery drain include system data corruption, rogue apps, misconfigured settings and more. … Apps that remained open or were running in the background during the update are more likely to get corrupted, thereby impacting the device’s battery.