Optimized Battery Charging (or battery health management) is a feature that was introduced in iOS 13 and macOS 10.15. 15. It's a piece of software that checks on your iPhone and Mac battery health and prevents chemical aging of the batteries. Lithium-ion batteries are rechargeable, but only to a certain point.

Is optimized battery charging good?

Optimized Battery Charging is great for improving the lifespan of your iPhone battery. However, it can slow down charging, so some users opt to disable this feature. ... There are various benefits to keeping iPhone optimized charging on, but you can experience a faster charge if you turn charging optimization off.

Should I turn off optimize battery charging?

Why To Disable Optimized Battery Charging? We definitely recommend you to keep this feature enabled as it helps to protect your iPhone's battery against aging! However, if you don't have a predictable charging routine and prefer to get the device charged to 100% as fast as possible you might want to disable it.