Shimano Dura-Ace Di2 Battery

At a feather light 71g, the DI2 battery pack powers your entire system. On average, the battery can hold a charge for 1000 miles. Your current battery charge level can be checked through the front wire kit.

Product Features

  • Lithion-Ion 7.4V technology is extremely reliable
  • The high performance battery will keep you bike shifting for an average of 1000 miles per charge
  • Fits any road bike & has a quick release for easy charging