Description
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.
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