Battery Shimano BT-DN300 (Di2)

Battery Shimano BT-DN300 (Di2)

The Shimano BT-DN300 is a next-generation lithium-ion battery designed for Shimano 12-speed Di2 electronic shifting systems. Its compact and waterproof design allows seamless internal installation inside the frame or seatpost, ensuring a clean look and excellent protection from external elements.

This updated battery features 3 SD300 ports, simplifying wiring while delivering stable and reliable power to both front and rear derailleurs. The third port provides additional flexibility for riders who prefer a fully wired Di2 setup, improving redundancy and system reliability.

Maintaining the same dimensions and mounting system as its predecessor, the BT-DN300 is easy to integrate or upgrade. It delivers consistent performance even in demanding conditions, making it an excellent choice for both performance road cycling and racing applications.

• Model: BT-DN300
• Type: Built-In
• Battery: Lithium-ion
• Capacity: 500mAh / 3.7Wh
• Nominal voltage: 7.4V
• Ports: 3 x SD300
• Compatible wire: EW-SD300
• Operating temperature (discharge): -10°C to 50°C
• Operating temperature (charging): 0°C to 45°C
• Dimensions: Ø17 mm, length 152 mm
• Compatibility: Dura-Ace Di2 R9250, Ultegra Di2 R8150
• Weight: approx. 52 g

The Shimano BT-DN300 battery ensures stable power delivery and smooth, precise electronic shifting for modern 12-speed Di2 systems.