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
Shimano SM-BCR2 Internal/External Di2 Battery Charger PC USB Linkage Bike NEW - Walmart.com
Shimano Di2 SM-BCR2 Internal Battery Charger [ISMBCR2] at BikeTiresDirect