The Yongnuo YN-B1800 is a rechargeable Li-ion battery designed for the YN860Li Speedlite Flash.
key specifications:
- Capacity: 1800mAh.
- Output Voltage: 11.1V.
- Compatibility: Specifically compatible with the YN860Li Speedlite Flash.
- Usage: Provides power for up to 700 full-power flashes and enables recycle times of approximately 1.5 seconds.