PiPO M7 pro - Manual (Page 29)

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Battery: Check the Battery status here.
Language & input: to set language and keyboard input.
Backup & reset: to go to submenu "back up my data" and "Factory data
reset". If you choose factory data reset, all data from your tablet's internal
storage will be erased. Choose this option carefully.
About Tablet: To check information about your tablet, such as Model number,
android version, etc.
VIII. Battery
Very Low Battery Full Battery Charging Battery
‗ ‘ indicates that the power of Battery is full. When the battery level becomes
too low, a prompt comes up to note you to charge your tablet.
While charging, you can check the charging status in the lock screen:
It takes around 5 hours to charge your tablet to full battery. Please only use a
5V /2.5A adaptor included in the gift box to charge it.