This is the Shimano Di2 SM-BCR1 Battery Charger for Di2 electronic shifting systems with a removable battery.
- Di2 battery, battery charger, and power cable are universal between Dura-Ace and Ultegra Di2 systems
- Di2 Battery Charger (CY7972) does not include a power cable; must be purchased separately (CY7973)
- All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
- Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
- FD/Shifter Compatibility: Dura-Ace 7970 Di2
- FD/Shifter Compatibility: Dura-Ace 9070 Di2
- FD/Shifter Compatibility: Shimano Ultegra Di2