Ipad Pro Battery Draining When Not In Use. If it is near 0 battery life and you want to drain it faster turn on the flashlight turn up screen brightness all the way and play a video preferably streaming from the Internet. You can also tap on dips within the chart to reveal the types of activity that ended up draining the battery.
Use your iOS device until it shuts off automatically. Head over to Settings Battery to bring it up. This will disable Wi-Fi on your iPad.
Alternatively you can go to Settings - Display Brightness to make any changes too.
To calibrate the battery of your iOS device. Auto-Lock is the setting that automatically turns off your iPads display after a certain number of minutes. Go to Settings Battery. Continue holding them until the display turns off.