SHIMANO BT-DN320 internal battery
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Description
The SHIMANO BT-DN320 internal battery is designed to power the Di2 XTR/XT/Deore wireless transmission system reliably and discreetly. Integrated directly into the wireless rear derailleur, it remains protected from shocks and external conditions, while being easily removable for recharging.
With a capacity of 305 mAh, the BT-DN320 offers excellent autonomy, enabling you to ride longer without interruption. Compact, lightweight and durable, it supports the fast, smooth performance of the XTR/XT/Deore groupset, while ensuring a constant, secure power supply on all terrains.
Ref: 15283868369276