🚴【Compatibility】: This charging head is suitable for SHIMANO EW-EC300 12 speed Di2 electric bicycle R9270 9250 8170 8150 7170
🚴【Design】: This charging head adopts the common Type-C to charge the bicycle transmission. The charging head has a compact structure, does not occupy space, and can be carried around when going out
🚴【Reminder】: The normal charging status is that the blue light is constantly on, and it will turn off when fully charged. If the blue light is flashing, please re-plug it in
🚴 【Emergency】: If you encounter an emergency situation where the transmission loses power on the road, you can use this adapter to charge the transmission using other devices such as bicycle lights and power banks
🚴 【Convenience】: The product comes with a double-C port di2 charging cable with a lanyard, allowing you to conveniently charge the electronic gear shifter with your mobile phone or emergency power source when it runs out of power outdoors.
🚴【Stable and secure】: Strengthen the 4-pin interface to ensure safe and reliable connection, as well as stable and reliable charging. Built in safety protection device can prevent overheating and short circuit
🚴【After sales】: If you encounter any problems while using this product, please feel free to contact us through the Amazon messaging system, and we will serve you immediately