Shimano BT-DN110-A Di2 Internal Battery

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Description

The Shimano BT-DN110-A is the official internal battery for Shimano Di2 electronic shifting systems. Compact and lightweight, it is designed for seamless integration inside seatposts or frames, maintaining a clean and aerodynamic appearance. Featuring a long-lasting lithium-ion cell and intelligent battery management, it ensures reliable power delivery and supports Shimano’s Synchro Shift function for precise, coordinated front and rear shifting. Perfect for both road and mountain Di2 setups.

Specifications

Model: BT-DN110-A
Type: Built-in Internal Battery
System Compatibility: Shimano Di2 (11-Speed / 12-Speed)
Function Support: Synchro Shift compatible
Battery Type: Rechargeable Lithium-Ion
Voltage: 7.4V
Capacity: 500 mAh
Mount Location: Internal (seatpost or frame)
Charging Method: Requires SM-BCR2 Charger (sold separately)
Use: Road / MTB / Gravel Di2 Systems
Weight: Approx. 50 g