With its slim, waterproof design, the Shimano BT-DN300 Built-In Type Di2 battery can be housed inside seatposts or frames, ensuring a clean aesthetic and stable power supply for smooth shifting.
- This rechargeable lithium-ion battery delivers stable power to Shimano 12-speed road derailleurs and shifters (if a fully wired option is selected)
- Features 3 SD300 ports for simplified wiring to front and rear derailleurs; third port is for riders who seek the redundancy of a Shimano 12-speed Di2 wired option
- Updated DN300 battery features the same waterproof design as prior models
- Compatible with thinner next generation electric wire SD300 and systems after R9250/R8150 series
- Shared fixing method with BT-DN110 battery (not included)
- 3.7 watt hours
- 7.4 volts
Imported.
View the Shimano Di2 Product LineView all Shimano Electronic Shifter Parts| Best Use | Cycling |
|---|---|
| Weight | 1.8 ounces |