Monitoring Battery Life
To let you know how much battery life is left, your iPad displays a battery gauge in the upper-right corner of the screen. The more filled this battery gauge appears, the more charge your battery has remaining.
Since this small visual gauge may be hard to read, your iPad can also display the battery charge remaining as a percentage. A fully charged battery appears as 100% charged, while a weaker battery charge will have a lower percentage. When your battery life reaches 20% and 10%, warning messages alert you to recharge your iPad soon.
In case you find this battery percentage indicator annoying, you can turn it off (or on) by following these steps:
From the Home screen, tap Settings. The Settings screen appears.
Tap General ...
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