Shimano BT-DN320 derailleur battery XTR Di2 RD-M9250
Shimano BT-DN320 battery for XTR Di2 RD-M9250 derailleur
Reliable, intuitive, consistent – the motto of the new Shimano XTR M9250 groupset says it all. With the return of Di2 technology in a wireless version, Shimano is bringing a compact and innovative power solution. The BT-DN330 battery eliminates the need for a cable connection to a central source, which significantly simplifies installation and reduces weight.The small but powerful 305 mAh cell plugs directly into the XTR Di2 RD-M9250 derailleur, where it is safely stored and protected from the elements. Charging is simple and fast – the battery can be easily removed without the need for special tools.
Designed for Shimano XTR M9250 Di2 wireless system
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Compact dimensions – unobtrusive, lightweight and easy to install
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No need for central power supply – easier installation
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Water and dirt resistant
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Easy to remove and charge
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Groupset | Other |
Battery type | Lithium-ion (Li-ion) |
Nominal voltage | 7.6 V |
Range | 305 mAh / 2.32 Wh |
Compatibility | derailleur Shimano XTR Di2 RD-M9250 |
Dimensions | 29 × 22 × 18 mm |
Weight | approx. 25 g |
product ID | 350942 |

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