How to check the battery health in ios 14?

To check the health of the battery:

Step 1. Click to enter "Settings". As shown in the figure below:

Step 2: Click "Battery". As shown in the figure below:

Step 3: Click "Battery Health". As shown in the figure below:

Step 4: After entering, you can see the percentage of the maximum capacity of the battery. The closer this maximum capacity is to 100%, the newer and healthier the battery is, and vice versa. As shown in the figure below: