Shimano Di2 BCR2 Internal Charger | The Colorado Cyclist
Shimano SM-BCR2 Battery Charger for SM-BTR2 / BT-DN110 - bike-components
Amazon.com: SOLARA-USA AC Adapter + 8-ft Power Cord KIT for Shimano Di2 SM-BCR2, Battery Charger [for BT-DN110 & BT-DN110A] & PC-Linkage Device or Rechargeable Bicycle Light or Bluetooth Speaker, WHITE : Cell