Features: Replacement for Sony NP-FZ100 battery. Compatible with Sony A9, A7R3, A7M3, A7S3, A7III, A7R4, A7M4, A6600, etc. The item can connect a power bank for outdoor long time photography or connec more→t the included wall plug when shooting a long time indoors to provide uninterrupted power supply. Safety Protection: Passed CE certification, build with premium IC chip inside. Featured with over-charging, short-circuit, overheating, over-loading protection, which ensures the absolute safety during use. USB Power Input: 5V, 2A-4A single USB input design (At least 2A current, up to 4A if needed). DC Output: 8V. Connect directly to various USB power sources for power supplying. Total cable length …