This is a brand new Di2 battery suitable for R8000 (Ultegra) and R9000 (Dura Ace) Di2 systems using EW-SD50 wiring and where the battery is mounted inside the seat post.

The BT-DN110 battery contains a memory chip that can handle the processing power required to deal with the multiple shift patterns and customisations that synchronized shifting brings. This allows you to set your gear positioning to your personal riding style.

Features:
– Average Weight: 50g .
– Type: Built-in Li-Ion battery .
– Compatible Charger: SM-BCR2 .
– E-tube port (pcs): 1 .
– Rated Capacity: (Ah) 0.5 .
– Rated Capacity: (Wh) 3.7 .
– Rated Voltage: (V) 7.4 .
– SD50 port (pcs): 1

Postage within Australia: $7.00