Shimano Di2 Internal Battery Charger

Charger for the internal battery that will keep your Di2 system shifting cleanly and efficiently.

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.

Features:

• 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