Shimano Di2 SM-BTR1 External Battery (Dura Ace 7970, 9070, Ultegra 6770, 6870)
Regular price $552.00
Di2 external battery for select Shimano Di2 systems. Uses SM-BCR1 external battery charger.
Compatible with Dura-Ace 9070, Dura-Ace 7970, Ultegra 6870, Ultegra 6770, and Alfine Di2 systems.
Rated capacity: 500 mAh / 3.7 WH
Working pull with zero issues, battery holds a charge no problem.
Please inspect all photos closely for details on cosmetic condition. If you have any questions about this item, click here.
Condition: Used
EJR Guarantee: 60 day free returns
Part Type: Di2 Electronics
Model: Di2
Part #: SM-BTR1
EJR SKU: 7460
Product Added: 2025-08-22
