Go to Settings > Battery > Battery Health to check the iPad battery health. If your iPad doesn't have that option, coconutBattery and iMazing can check the battery health from a computer. Consider ...
Open one of your iPad’s analytics files (these files start with “Analytics” followed by a date). In the analytics file, tap ...
Before you charge your Apple TV remote, you can use your Apple TV to check how much battery life it has left.