SHIMANO SM-BCR2 Di2 Internal Battery Charger for SM-BTR2

This is the Shimano Di2 SM-BCR2 Battery Charger for charging the battery on all Shimano Di2 electronic shifting systems with an internal battery.

SM-BCR2 Internal battery charger is specific to the SM-BTR2 internal battery (BA9070)
Plugs into SM-EW90 cockpit junction boxes or SC-S705 display unit
Includes USB (SM-USB1) power adapter
For use with Alfine Di2, Dura-Ace 9070 and Ultegra 6770 equipped bicycles
Use with PC to update Di2 component firmware and change system functions
For use with Alfine Di2, Dura-Ace 9070 and Ultegra 6770 equipped bicycles
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

FD/Shifter Compatibility: Dura-Ace 7970 Di2
FD/Shifter Compatibility: Dura-Ace 9070 Di2
FD/Shifter Compatibility: Shimano Ultegra Di2

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.