How long does it take for Apple battery 98 to 97?

Apple batteries 98 to 97 are about 1 month. Apple uses a lithium battery, and the number of cycles is about 500 times. After more than 500 times, the battery will drop significantly. In other words, when the health of the Apple battery reaches 80%, the battery can be replaced. The health degree of 98 is relatively new. Apple's mobile phone battery lasts about one and a half to two years, and the health of the battery is 80%.