Side panel in a rear section
From endrobene wiki :: ITE
This is a side panel design. Its purpose is to provide a user interface to the battery level measurement, manual start of a robot, charger plug, running status indication, remote controlled start of a robot (with infrared RC device), etc.

The sketch of side panel in a rear section. Version 1.1
Refer to a Side Panel Interface in the Electronic Schematics section for details.