Shimano
Shimano BT-DN320 Di2 Battery Internal
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The Shimano BT-DN320 is a 7.4V lithium-ion internal battery designed for 12-speed Di2 road and MTB systems (Dura-Ace R9200, Ultegra R8100, XT M8150/M8250). It supports fully wireless configurations, fits within the seatpost or, for MTB, directly inside the rear derailleur. It uses the EW-SD300 wire and charges via the derailleur.
Key Features and Specifications:
- Compatibility: 12-speed Di2 systems, including Shimano XT Di2 M8150/M8250 and Deore Di2 M6150/M6250.
- Capacity: 310 mAh (approx. 340 km range).
- Mounting: Internal (seatpost or frame).
- Voltage: 7.4V.
- Charging: Removable for charging with EC-DN100 charger (sold separately).
- Wireless Capability: Supports D-FLY wireless units.
- Design: Compact and designed for secure internal mounting, with specific fitment options for MTB, allowing it to be tucked into the rear derailleur to protect from debris.
The battery supports Bluetooth LE & ANT+ for system data and adjustments via the E-TUBE Project app.
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