Shimano BT-DN300 Di2 Battery (2nd Gen.) - Built-In Type

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  • Shimano BT-DN300 Di2 Battery (2nd Gen.) - Built-In Type

    Thanks to its compact dimensions, the flat Shimano BT-DN300 battery can be integrated inconspicuously into the seatpost or frame. Not only in terms of dimensions, it is similar to its predecessor BT-DN110, but also concerning waterproofness, it is in no way inferior.

    The lithium-ion battery features three SD300 ports for the connection to front and rear derailleur. The third connector is used in the case of a fully cabled Di2 groupset.

    In-house tests with the components of the current Dura Ace R9200/R9250 and Ultegra R8100/R8150 12-speed series have shown that the battery provides a powerful and stable power supply for the powerful actuators of the rear and front derailleur over a range of 1000 km on average.


    Technical details of the Shimano BT-DN300 Di2 battery pack

    • battery type: Li Ion
    • rated capacity: 3.7 Wh / 0.5 Ah
    • rated voltage: 7.4 V
    • ports: 3x EW-SD300
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