2pcs For SHIMANO Di2 12 Speed Electronic Derailleur Emergency Battery

• Emergency Charging Solution: Our electronic derailleur emergency battery serves as both a backup power source and an adapter, ensuring you have reliable power anywhere, anytime during your cycling excursions.
• Lightweight Mini Charger Adapter: As a mini bicycle battery charger adapter, it offers excellent portability with a compact body and included lanyard, ideal for cyclists seeking effortless carrying options.
• Stable Gold-Plated Connector Pins: The portable adapter charging head includes secure gold-plated probes that fit tightly for Shimano Di2-style electronic derailleurs for dependable power transfer.
• Intelligent LED And Protective Mechanisms: Smart indicator lights clearly display charging and discharge states, portable capsule power bank complemented by multiple layers of overcharge protection to ensure safe device handling.
• Powerful Yet Compact Battery: Equipped with a emergency bike charging battery boasting 500mAh capacity and Type-C rapid input, this item is suit for emergency charge needs onto the road or trail.

Specification: Origin: Mainland China Product Dimensions: 2.13 x 1.02 x 0.71 (inch) Main Material: Plastic Battery Capacity: 500mAh Charging Interface: Type-C Power Input: 5V 1-3A Power Output: 5V 1-2A Compatible Models: for SHIMANO 105 DI2/107 DI2/ ULTEGRA DI2/ DURA-ACE DI2/ FC-R9200-P Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring. Package includes: 1 x Battery 1 x Charging Cable