Here are the availble cables and their info for the Magicshine light range - 
 
Magicshine® MJ-6290 Bosch Light Connection Cable
Magicshine Bosch Connection Cable For MJ-900S/MJ-902S /MJ-906S Front Bike Lights
The Connection Cable connects Magicshine front lights with Bosch drives.
Length: 100cm
 
Magicshine® MJ-6290 Shimano Light Connection Cable
Magicshine Shimano Connection Cable For MJ-900S/MJ-902S /MJ-906S Front Bike Lights
The Connection Cable connects Magicshine front lights with Shimano drives.
Length: 100cm
 
MAGICSHINE E-bike cable - Brose Motors - 100cm
Magicshine Brose Connection Cable For MJ-900S/MJ-902S /MJ-906S Front Bike Lights
The Connection Cable connects Magicshine front lights with Brose drives.
Length: 100cm
 
MAGICSHINE E-bike cable - Yamaha Motors - 100cm
Magicshine® MJ-6290 Yamaha Light Connection Cable
Magicshine Yamaha Connection Cable For MJ-900S/MJ-902S /MJ-906S Front Bike Lights
The Connection Cable connects Magicshine front lights with Yamaha drives.
Length: 100cm