Voltage regulator original Ducati Energia, 12 volt three-phase silencer 5 sockets. Available also in competitor model. Original codes reference:
Aprilia AP9100424
Honda 31600-MV4-000 - 31600-KFG-860/861 - 31600-KY2-700
Malaguti 02601900
Peugeot 755015
Piaggio 496454
Shindengen SH632/633/638/639 - SH609-12 - SH691-12