Shimano Dura-Ace Di2 7970 SM-BTR1 Battery

Shimano Dura-Ace Di2 SM-BCR1 Battery Charger

Shimano Di2 Bt-dn110-1/btr1 Li-ion Battery Pack Internal Recharge Battery For Xtr/dura Ace/ Ultegra - Bicycle Derailleur - AliExpress

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

SHIMANO Dura-Ace 7970-Di2 Sm-Bcr1 Battery Charge : : Sporting Goods

Shimano Dura-Ace 7970-Di2 SM-BCR1 Battery Charge : Cycling Equipment : Sports & Outdoors

Shimano SM-BTR1 Di2 External Battery - Performance Bicycle

Internal battery options for Di2 and EPS drivetrains

* For SM-BTR1

Shimano Dura-Ace 7970-Di2 SM-BCR1 Battery Charger

Shimano 10-Speed Dura-Ace 7970 Di2 EW-79A Wires/Junctions/Battery Moun –