Features: Can charge 4pcs batteries at the same time, highly efficient! Detachable NP-F970 battery plates suitable for Sony NP-F550 F750 F950 NP-FM50 FM500H QM71 etc camera batteries. (Battery is not included.) Wide range compatibility, can be charger for digital li-ion battery wit 8.4/12.6/16.8 of any capacity. LCD display show precise battery power condition and charging indication. CC/CV charging types, with DC/AC/USB charging port. Intelligent circuit control prevent overcharge automatically. With pre-charging and over-current battery 0V activation function, protect your battery and largely extend battery life.