Shimano Dura-Ace Di2 7970 SM-BTR1 Battery

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

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

In-depth guide on upgrading your old Di2 bike

In-depth guide on upgrading your old Di2 bike

Shimano Dura-Ace Battery - ISMBTR13 for sale online

7970 DURA-ACE Di2 ロードバイク通信販売専門店｜アスキーサイクル AS:KEY CYCLE

Texas Cyclesport Shimano SM-BTR1 Di2 Battery, External System SM-BTR1 60.99 New

Shimano Dura-Ace 7970-Di2 SM-BCR1 Battery Charger : : Sports & Outdoors

Shimano Di2 Battery Charger Sm-bcr1 220v Power Cord Sm-bcc1-5duraace-di2 For Di2 Charger Sm-bcr1 - Bicycle Derailleur - AliExpress