The new Shimano DN300 battery features the same waterproof design that Di2 users have loved for generations. Now with 3 EW-SD300 ports, it delivers stable power to Shimano’s 12-speed road front derailleurs and rear derailleurs (if a fully wired option is selected).
THE SCIENCE OF SPEED: Shimano Di2 BT-DN300 Battery
With the same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames ensuring a clean aesthetic. Now with 3 ports, the DN300 simplifies wiring to front and rear derailleurs, supplying stable power at all times. The third port is for riders who seek the redundancy of Shimano’s 12-speed Di2 wired option.
Features – Shimano Di2 BT-DN300 Built-In Battery
- Compatible with thinner next generation electric wire SD300 and systems after R9250/R8150 series
- 3 SD300 ports
- Shared fixing method with BT-DN110
- For built-in installation in the frame or seat post
- High-power lithium-ion battery
Product features
- Model: BT-DN300
- Type: Built-In
- Battery: Lithium Ion
- Nominal capacity: 500mAh 3.7Wh
- Nominal voltage: 7.4V
- Compatible electric wire: EW-SD300
- E-tube port (pcs): 3
- Operating temperature range:
- During discharge: -10°C bis 50°C
- During charging: 0°C bis 45°C
- Diameter: Ø17mm
- Length: 152mm
Compatibility
- Dura Ace Di2 R9250
- Ultegra Di2 R8150
Weight
- approx. 52g (manufacturer information)
Scope of delivery
- 1 Shimano Di2 BT-DN300 Battery for internal mounting
Technology
E-Tube
E-Tube platform offers optimum flexibility on your bike. E-TUBE transmits interactive signals and power supply to each parts by “Plug & play” connection. E-TUBE is no rust, no stretch, no freeze and it ensures advanced low maintenance. And SM-PCE1 connects between PC and components to update firmware. Digital device stay the latest version with updating firmware for improve function.
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