Built specifically for Shimano’s latest fully wireless Di2 shifting systems, the BT-DN320A battery delivers compact, high-efficiency power integrated directly into your drivetrain. Designed to fit seamlessly inside the new wireless XTR rear derailleur, this battery stays securely in place even through aggressive trail riding—offering both protection and performance in one sleek unit.
Key Features:
On-Component Mounting: Designed to sit directly within the wireless XTR rear derailleur, the battery is discreetly housed in a fully enclosed, impact-protected compartment.
High-Efficiency Power: With a 310mAh capacity, the BT-DN320A provides ample charge for long rides and intense sessions without compromise.
Removable for Charging: While fully protected during use, the battery remains easily removable for convenient off-the-bike charging.
Reliable & Rugged: Engineered to perform under demanding trail conditions, it won’t dislodge or rattle loose, even on technical terrain.
Compatibility:
Optimized for use with Shimano’s latest 12-speed Di2 mountain bike drivetrains, including the wireless XTR M9100-series rear derailleur.
Note: Battery charger is sold separately.
