Installing the Controller Battery - IQ – VEX Library

Note: Images in this article show a VEX IQ (1st generation) Controller, follow the same steps for installing batteries in a VEX IQ (2nd generation) Controller.

Image illustrating the VEX IQ Controller, showcasing its buttons, joystick, and layout, designed for educational robotics and programming in the VEX IQ platform.

Have the following ready to install the Controller Battery:
- VEX IQ Controller
- VEX IQ Controller Battery
- Phillips screwdriver

Diagram of the VEX IQ Controller showing its buttons, joystick, and connection ports, illustrating the layout and functionality for educational robotics projects.

Open the Controller Battery door.
- Use the Phillips screwdriver to loosen the screw and remove the battery door.

Note: The VEX IQ (2nd generation) Controller has 2 screws.

Diagram of the VEX IQ Controller, illustrating its buttons, joystick, and connectivity features, used for programming and controlling VEX IQ robots in educational settings.

Place the battery inside the Controller.
- Keep the printed side of the Controller Battery face up and align the negative (-) and positive (+) markers with the markers inside of the Controller.
- Slide the battery into the Controller while keeping it below the plastic tab on the right near the positive and negative markers.

Diagram of the VEX IQ Controller showing its buttons, joystick, and connection ports, illustrating the layout and functionality for educational robotics projects.

Replace the Controller Battery door.
- Replace the battery door and screw it back into place.