3D Robotics X8 Plus - Manual (Page 11)

9
Controller Battery
The controller is powered by 8 AA batteries (included). The controller’s
flight data display allows you to monitor the voltage of the controller.
When fully charged, the controller will display 12 V; when completely
out of charge, the controller will display 9 V. Replace the batteries when
the controller displays 9.1 V.
Controller
Press and hold the DN
button to view flight data.
controller battery level (9-12 V)
Replace controller batteries at 9.1 V. Controller Flight Data Display: Screen 1
!