The Shimano BT-DN110 Di2 Battery is an essential component for cyclists looking for a reliable and efficient power source for their Di2 groupset. Designed to fit all e-Tube Di2 groups, this internal battery offers a capacity of 500 mAh, providing an estimated range of up to 2000km before needing a recharge.
For those seeking enhanced connectivity, the battery can be used with EW-WU101 or SC-MT800 interfaces/junctions to enable Bluetooth Smart wireless connectivity. This feature allows for on-the-fly adjustments via smartphones and tablets, making it a versatile choice for tech-savvy cyclists.