Shimano DT-DN110 Internal Battery for Di2Item #: SHM13421 Usually ships in 2-3 business days
The newest version of the Shimano E-Tube Di2 Internal Battery - the DT-DN110 contains a new memory chip that is both Bluetooth and ANT+ compatible allowing integration with the new Di2 D-Fly and programming of your Di2 system through the Di2 app. You can hide it in most seatposts, for a clean, fast look. You will need to also pick up a 3 or 5 port front junction and internal battery charger so you can juice it up when you're running low, that way it can be charged without getting access to the battery. Compatible with all Shimano Dura-Ace 9100, 9000, and 6800 series Di2 systems. NOT compatible with 7970 Di2 systems.