This is the power cable for the Di2 Battery Charger (CY7972). Di2 Battery, battery charger, and power cable are universal between Dura-Ace 7970 and Ultegra 6770 Di2 systems
Specifications:
FD/Shifter Compatibility: Dura-Ace 7970 Di2
FD/Shifter Compatibility: Shimano Ultegra Di2
This product was added to our catalog on March 7, 2018
Di2 Seatpost mounting batteries in aero seatposts such as ISP, Vector, and D-Fuse models. The holder is inserted into post beside the battery and a compression screw expands the holder to secure ...
The Shimano BT-DN110-A Built-In Type Di2 Battery is ...
the power source for Shimano's 11 speed Di2 derailleurs and shifters. Its thin, sleek profile allows the battery to fit in seatposts or frames for a clean look.