Shimano BT-DN110-A Di2 BatteryThe Shimano BT-DN110-A Di2 Battery fits all e-Tube Di2 groups and has a capacity of 500 mAH (± 2000km). Use with EW-WU101 or SC-MT800 interfaces/junction to gain Bluetooth Smart wireless connectivity for on-the-fly adjustments with smartphones and tablets. Requires SM-BCR2 charger. The 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. Compatible with EW-SD50 Di2 Wire. Cannot be shipped by Air.192790762487
