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.
Compatibility: Shimano Di2 SM-BTR1 battery Recommended Use: road cycling Manufacturer Warranty: 2 years
SHIMANO Di2 BATTERY MOUNT BATTERY MOUNT
Shimano Di2 Batteries. Must purchase battery, charger, and power cable to complete the system. All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions. Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems. Battery weighs 71g.
Shimano SM-BTR1 Di2 External Battery
MPN : ISMBMR1IB. Suitable for Dura-Ace 9070 Di2 and Ultegra 6870 Di2. Model : Di2 Internal Bracket SM-BMR1-I. Di2 Internal Bracket SM-BMR1-I. DI2
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Shimano Di2 External Battery / SM-BTR1 Dura-Ace / Ultegra / E-tube system
New old stock Shimano SM-BTR1 Di2 external Li-ion battery. Fully charged and in working order complete with box and accessories. Compatible with
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