External Di2 Battery

External Di2 Battery

Regular price $79.99 Save 0%


Shimano Di2 Batteries. Must purchase battery, charger, and power cable to complete the system,


  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
  • Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems
  • Battery weighs 71g


  • Shifter/Derailleur Compatibility: Dura-Ace 7970 Di2 , Dura-Ace 9070 Di2 , Shimano Ultegra Di2