Shimano Di2 Battery Chargers

FEATURES:

• Di2 Battery Charger does not include a power cable; must be purchased separately 
• Di2 battery, battery charger, and power cable are universal between Dura-Ace 7970 and Ultegra 6770 Di2 systems (later Di2 systems are not compatible)
• Must purchase battery, charger, and power cable to complete the system