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BT-DN300 Battery

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Temporarily Out Of Stock

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Why We Like The BT-DN300 Battery

Built to work with the new Di2 Wireless Dura-Ace system we plug and play the Shimano BT-DN300 Battery in our derailleur to get to shifting. The new battery is lightweight and packs a punch, running and lasting longer than the previous version of Di2.


  • Compatible with Shimano's wireless Dura-Ace Di2
  • Connects via 300 series Di2 wiring
  • Lightweight battery fits in the seat tube
  • Item #SHIU1E6
Dura-Ace Di2
Claimed Weight
road cycling, gravel, cyclocross
Manufacturer Warranty
1 year

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