For the charging on internal SHIMANO DI2 batteries (BT-DN110), the SM-BCR2 also serves as a PC linkage device for E-TUBE PROJECT firmware updates and settings.
BENEFIT
Battery charger for BT-DN110
PC linkage device for E-TUBE PROJECT to update firmware and customize setting
Used to charge Shimano Internal Di2 batteries
For use with Internal battery E-Tube equipped bicycles
