Essential Power Accessory for Cycling Tech

Ensure your electronic shifting remains operational for every long-distance tour or competitive race. This specialized line focuses on efficient energy replenishment for your internal seatpost power source, ensuring you never have to worry about a drained system during a ride.

Supported Hardware List:
- Charging Units: SM-BCR1, SM-BCR2
- Batteries: SM-BTR2, BT-DN110
- Control Junctions: EW-RS910, SM-EW90-A, SM-EW90-B
- Compatible Series: R9150, R8050, M9050, M8050

Functional Boundaries & Usage:
- This accessory is engineered for charging purposes only.
- It does not support connecting to a PC for firmware upgrades, program settings, or synchronization.
- Always utilize a standard five Volt USB port for proper operation.
- Only plug in when the connector interface is completely dry.