Shimano Di2 SM-BCR2 Internal Battery Charger

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.

Features

• Di2 charger for the internal battery that will keep your Di2 system shifting
• Di2 uses a powerful long-life 7.4V Li-Ion battery: keep it in top condition and ready for shifting with this specific Shimano Di2 charger
• 1.5 hour charge time
• Plugs in directly to the SM-EW90 handlebar junction A
• Can also be used for completing firmware updates when linked to E-Tube software on your PC