Shimano Shimano Di2 E-TUBE BT-DN300 Lithium-Ion Battery

The Shimano BT-DN300 Internal battery is designed for Shimano 12-speed Di2 groupsets. The smart and compact design makes it possible to mount the cylindrical Shimano BT-DN300 battery in your seat post or frame. This battery has a large capacity (on average about 1000km per cycle) and good protection against water. The battery is a lithium-ion type and has three SD300 ports for connection to the 1) front and 2) rear derailleur. The third port can be used for a fully wired (mechanical brake) Di2 groupset.

• Suitable for 3x SD300 connectors, found on Dura Ace R9200/R9250 and Ultegra R8100/R8150 12 speed groupsets.

- 1x Shimano BT-DN300 internal battery (excluding cables)