With the Shimano Di2 charger SM-BCR2 you can charge the internal SM-BTR2 battery. It is also compatible with the newer model BT-DN110. Charging is done via a USB interface on the PC or an AC adapter with a USB port. For this purpose, the battery must be connected to the junction A interface or the information display. Then the charger's integrated charging cable is also connected to junction A or the information display. When the orange light goes out, the charging process is complete. A USB/micro-USB cable connecting the PC or adapter and the charger is included.

Technical Information:

Shimano 11 speed groupset

Input: 5 V direct current, 1.0 A

Output: 8.4 V direct current, 0.4 A

Dimensions (WDH): 85 × 22 × 30 mm

Charge Time: approx. 90 minutes via AC adapter with USB, approx. 3 hours via PC

Operating Temperature: 0 - 45 °C