The Shimano Di2 EW-EC300 Battery Charging Cable for the internal battery that will keep your Di2 system shifting.
Key Features:
- 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 RDR9250 rear derailleur












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