Apple's tablet has played games, can't you see it through the battery power?

Apple's tablet has played games, and you can't see that the system version is too low through the battery power. According to relevant public information, Apple introduced the battery health test version for the first time in IOS 1 1 system, which is located in System Settings-Battery Options. If the iPad does not upgrade the system to IOS 1 1 or later, the battery health function cannot be used.