• Shimano Dura-Ace Di2 BTR2 Battery

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Shimano Dura-Ace Di2 BTR2 Battery

Shimano's Dura-Ace Di2 BTR2 lithium-ion battery is suitable for concealed internal mounting. This high-end lithium-ion battery will ensure the consistent, smooth, and precise functioning of your Di2 setup.


  • Long battery life (up to 2000km when fully charged).
  • Internal mounting.
  • Lightweight
  • Reliable

Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

  • Delivery costFREE
  • Delivery toUSA
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
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Buying Guide

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