Battery P Shimano Di2 Bt-dn300 Internal Type

Shimano BT-DN300 Internal Battery

The Shimano BT-DN300 is an internal lithium-ion battery designed to power Shimano’s latest 12-speed Di2 electronic shifting systems, including the Dura-Ace R9250 and Ultegra R8150 series.

Compact Design

Maintains the same dimensions as its predecessor, allowing for seamless integration within seat posts or frames, ensuring a clean and sleek bike aesthetic.

Triple Port Configuration

Equipped with three SD300 ports, simplifying wiring to both front and rear derailleurs.

The third port offers the option for a fully wired setup, enhancing system redundancy and reliability.

Enhanced Compatibility

Works with the newer, thinner SD300 electric wires and is specifically designed for Shimano’s 12-speed Di2 systems, ensuring optimal performance and ease of installation.