Shimano BT-DN110A-7 Di2 Internal Battery
Best internal power source for electronic shifting enthusiasts seeking reliable performance.
This internal power unit is the backbone of electronic shifting setups, providing reliable energy for precise gear changes. It unlocks wireless connectivity for on-the-fly adjustments, making it an essential upgrade for those looking to modernize their drivetrain management.
$170.00
at
WD Bicycles
More Di2 options
Who it's for
- Cyclists prioritizing a sleek, aerodynamic bike profile
- Riders wanting automated, synchronized shifting capabilities
- Commuters riding in harsh, unpredictable weather conditions
Who should skip it
- Mechanics or riders lacking specialized internal routing tools
- Budget-conscious cyclists upgrading from mechanical drivetrains
- Riders who prefer quick, visual battery level checks
Performance breakdown
System Integration
Designed specifically for seamless, hidden installation within modern bicycle frames.
Battery Longevity
Delivers reliable power for thousands of kilometers on a single charge.
Wireless Connectivity
Enables smart adjustments via smartphone when paired with compatible interface units.
Compatibility Range
Works flawlessly across the entire ecosystem of Shimano e-Tube groupsets.
Maintenance Ease
Requires a proprietary charger, which limits charging flexibility on the go.
Reliability
Proven, stable performance essential for consistent electronic shifting in all conditions.
Key Specs
Capacity
500 mAH
Compatibility
All e-Tube Di2 groups
Connectivity
Bluetooth Smart (with compatible interface)
Required Charger
SM-BCR2
Mounting
Internal
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