Browse our selection of Shifter Battery

BT-R1A External Di2 Battery
Shimano
$100.00

BT-DN300 Built-In DI2 Battery - For Dura-Ace 9250 Ultegra R8150 Systems Compatible SD300 Wires
Shimano
$220.00

BT-DN110-A7 Di2 Battery - Built-In Type North American Spec
Shimano
$200.00