Designed as the core power source for Shimano's latest wireless Di2 drivetrains, the BT-DN320 delivers long-lasting, reliable energy in a sleek, compact package. Built for endurance and harsh riding conditions, this 310mAh Li-Ion battery ensures your Di2 system performs flawlessly over extended rides with minimal maintenance or intervention.
Compact, Lightweight Design
The BT-DN320 is a discreet, integrated battery designed to keep your bike’s profile sleek and its weight low. Seamlessly tucked inside the frame, it helps maintain clean aesthetics and balanced bike handling without compromising power or durability.
Reliable in All Conditions
Field-tested in extreme conditions—including mud, rain, and freezing temperatures—the BT-DN320 offers proven durability and water resistance. Its robust sealing ensures reliable operation, even on long adventures or race days when the weather turns against you.
Extended Range with Intelligent Power Management
Thanks to Shimano’s efficient power management system, the BT-DN320 can deliver up to 340 km of riding on a single charge, depending on usage and conditions. This makes it ideal for long-distance riders, bikepackers, and racers looking for consistent performance over time.
Simple Charging via EC-DN100
When it’s time to recharge, the BT-DN320 is compatible with Shimano’s EC-DN100 charger. Recharging is quick and easy, with no need to remove the battery from the bike thanks to Shimano’s integrated system design.
What’s Included in the Box
Note: EC-DN100 charger sold separately.