ROSE Bikes BT-DN320 Di2 Battery| Electronic Shifting

The SHIMANO BT-DN320 Di2 battery is well protected inside the compatible Di2 rear derailleur and thus ensures a reliable power supply.
It can be easily removed for charging. 

Technical details:
• Series: groupless
• Model: BT-DN320
• Installation: internal
• Compatible charger: EC-DN100
• Chemical cell: lithium-ion (Li-Ion)
• Rated voltage: 7.6 volts
• Capacity: 305 mAh
• Charging time: approx. 1 hr
• EW-SD50 slots: 0
• EW-SD300 slots: 0
• Weight: approx. 26.5 g

In the box:
• 1 SHIMANO BT-DN320 Di2 battery
WITHOUT charger!

Optional accessories:
SHIMANO Di2 battery charger EC-DN100 (prod. code: 2352024)