Shimano Di2 SM-BTR1 Battery

Shimano Di2 SM-BTR1 Battery Shimano's Di2 SM-BTR1 Battery is their external power source. It works with all versions of Di2, provided you have a SM-BMR2 Battery Mount to attach the battery to the system. Battery life depends on many factors. It's not only the number of times you shift, but the climatic conditions, and how often you use the front derailleur, as it takes more energy per shift.

Shimano Di2 BM-DN100-L Battery Mount long external routing Accessories Di2

Shimano Di2 SM-BTR1 External Battery The Pro's Closet – The Pro's Closet

Shimano Dura Ace / Ultegra Di2 SM-BMR1 Battery Mount Short

Shimano Transmissions Bateria externa Shimano article number I-SMBTR1A

Shimano battery for Dura-Ace Di2

Shimano Di2 External Battery Mount, Dura-Ace SM-BMR2-L, E-Tube, External, Long (ISMBMR2LB)

Compatible: Dura-Ace 7970, 9070 / Ultegra 6770, 6870.

Shimano SM-BTR1 Di2 Li-ion External Battery Pack 7.4v Road Bike 7970 9070 Series

Electronic shifting has revolutionized the way many riders ride their bikes. The only downside is that they need batteries to operate. The Shimano Di2