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Model: BT-DN300
Series:ULTEGRA R8100 Series
Average weight: 52g
Type: Built-in battery
Compatible chargers: RD-R9250, RD-R8150, RD-R7150 (new)
Firmware update via E-TUBE PROJECT: yes
Master unit: yes
Chemical Composition: Lithium Ion
Rated capacity: 0.5A
Rated capacity: 3.7 watt hours
Rated Voltage: 7.4V
SD300 connector: 0pcs
SD300 port: 3pcs
SD50 connector: 0pcs
SD50 port: 0pcs
Compatible with thinner next-generation wires SD300 and systems above R9250/R8150 series
3 SD300 ports
Adopts the same fixing method as BT-DN110





Shimano Di2 Battery Pack
Rechargeable 500 mAh battery pack for electronic Shimano Di2 shifting system
The lithium-ion battery BT-DN110 can be mounted internal or external. The internal assembly takes place in the seatpost or head tube. For external mounting the SM-BTC1 bracket is required.
FEATURES:
Model no: BT-DN110-A
Compatible for:
Alfine
Nexus (Inter-8)
Dura Ace R9150
Ultegra 6870
Deore XT M8050
XTR M9050
Color: Black
Content: 1 pcs DN110-A without box /1 pcs
DN110-A with box










Model:SM-BTR1 Li-ion Battery pack
7.4V-500mAh 3.7Wh
Maximum Charge Current : 2.0A
Maximum Charge Voltage : 8.5V
Risk of Fire and Burns , Do Not Open, Crush, Heat Above 140 ℉(60 ℃) or Incinerate.
Follow Manufacturer's Instructions. Use specified charger only.
Risk of explosion if battery is replaced by an incorrect type .



Dispose of used batteries according to the instructions.
New products from manufacturers at wholesale prices