Shimano BM-DN100 Battery Mount for SM-BTR1 Di2 Battery-Pack

Shimano SM-BMR2 Battery Holder Short Di2 Mount Battery Intern BTR1

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Shimano Di2 BM-DN100 battery- mount at

BM-DN100 short type battery mount for external or internal frame cable routingTo be mounted on specific Di2 compatible frame battery mountsInternal

Shimano Shimano Di2 BM-DN100 E-tube Short Direct Frame Battery Mount - Internal/External Routing

SHIMANO Battery Holder intern extern BT-DN100 for Di2 Akku SM

Mount with integrated charging socket for installing the BT-E8010, BT-E8014 & BT-E8016 batteries.

Shimano STePS BM-E8016 Battery Mount for Down Tube - 300mm

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 SM-BTR1 Battery

Shimano Dura-Ace Di2 R9170 groupset Road Disc external battery

Shimano Dura-Ace / Ultegra Di2 SM-BMR2-L Long Battery Mount For

Shimano BM-DN100 Battery Mount for SM-BTR1 Di2 Battery-Pack

Shimano Di2 BM-DN100-S Battery Mount short internal/external

Shimano Di2 SM-BMR1 Battery Mount - External