1 . Unscrew the rear body of the NODE body to gain access to the battery compartment.
2 . Insert the battery/batteries into the battery tray and connect to the controller using the battery connector.
3 . Make sure that no water is inside the battery compartment.
4 . Screw the NODE rear body back onto the front half.
NOTE: Make sure that the seal marker on the rear half of the NODE lines up with the front half (as shown in image on right), ensuring that a proper seal is created.