Shimano BT-DN110A1 Internal Di2 Battery
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Shimano Di2 Batteries. Must purchase battery . charger . and power cable to complete the system
- All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
- Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
- The Shimano Di2 Internal Battery is designed to fit with internal mounts . offering a hidden solution for Shimano Di2 drivetrains
- Li-Ion battery power
- Must be used with E-tube wires only
- Not compatible with 7970 DI2