Shimano E-Others BT-DN300 Internal Battery
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Shimano E-Others BT-DN300 Internal Battery
The new DN300 battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it provides stable power to Shimano's 12-speed road derailleurs and shifters (if fully cabled option selected).
The same size as its predecessor, the slim DN300 battery can be housed inside seatposts or frames, ensuring a clean aesthetic. Now with 3 ports, the DN300 simplifies wiring to the derailleur and rear derailleur, delivering stable power at all times. The third port is for riders looking for the redundancy of Shimano's cabled 12-speed Di2 option.
Technical details of the Shimano BT-DN300 Di2 battery
Data sheet
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