Shimano BT-R1A External Di2 Battery - Brantford Cyclepath
![](https://www.sefiles.net/images/library/large/shimano-bt-r1a-external-di2-battery-198496-1-11-1.jpg)
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.
![](https://www.sefiles.net/images/library/large/shimano-bt-r1a-external-di2-battery-198496-1-11-1.jpg)
Shimano SM BTR1 Di2 External Battery
![](https://cdn11.bigcommerce.com/s-kvyj4/images/stencil/500x659/products/2951/3924/SM_BTR2__19272.1397495778.jpg?c=2)
Texas Cyclesport Shimano SM-BTR1 Di2 Battery, External System SM-BTR1 60.99 New
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Shimano Batteries for sale
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Shimano BT-R1A External Di2 Battery - San Diego Bike Shop
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Shimano BT-R1A External Di2 Battery Electronic Road Bicycle Shifter Parts
![](https://images.performancebike.com/cdn-cgi/image/f=auto,width=370/images/large/bikes/shimano/iewwu111b.jpg)
Shimano SM-BTR1 Di2 External Battery - Performance Bicycle
![](https://m.media-amazon.com/images/I/41PUyUNs2IL._AC_UL420_SR420,420_.jpg)
Shimano Dura-Ace Di2 Battery : Sports & Outdoors
![](https://static.biketiresdirect.com/productimages/images286/safpt1-1.jpg)
Shimano Di2 SM-BTR1A Universal Battery [ISMBTR1A]
![](https://cdn.shopify.com/s/files/1/0349/7357/files/FD9864_large.jpg?v=1708467674)
di2 - Worldwide Cyclery
![](https://i5.walmartimages.com/asr/8ade0a48-e011-416c-8579-9455785d4c00_1.e7d7c8a86cdd3f74415c1d0ebc95ebdc.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Shimano BT-DN110 Di2 Internal Battery
![](https://i.ebayimg.com/thumbs/images/g/CPgAAOSwtfpicZjU/s-l640.jpg)
Shimano Batteries for sale