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A brown and black Shimano BT-DN300 Di2 Battery against a white background.

Shimano Accessories

Shimano BT-DN300 Di2 Battery

Niel Ubod January 14, 2026

MPN: IBTDN3002

$220.00

Shimano’s latest Di2 battery

Only 1 left in stock – Ships today! (Tuesday)

This item may only be shipped within the United States.
We are required to follow our brand's policies on shipping and we cannot ship this product outside the United States.
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Shimano BT-DN300 Di2 Battery

The Shimano BT-DN300 Di2 Battery is Shimano’s latest Di2 battery. This battery can still be housed in the seat post or frame, but now uses 3 ports. You can connect your derailleurs and use the optional third port for fully wiring your groupset together. The BT-DN300 battery is compatible with the latest generation SD300 wires.

Specs

  • 3 SD300 ports
  • Compatible charger: RD-R9250, RD-R8150, RD-R7150
  • Weight: 52 grams
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