Dual channels, can charge 2pcs battery at the same time, highly efficient!Battery plate type: NP-FZ100. Nice accessories for Sony A7III/A9/A7RIII/A7SIII & etc cameras that powered by FZ100 battery.Wide voltage compatibility, can charge 8.4/12.6/16.8V li-ion battery of any capacity. You can select high/low current charging modes.With CC/CV charging modes and AC/DC/USB ports. LCD display show battery power level and charging status.Intelligent charging control, automatically identify battery voltage and prevent overcharge. With pre-charge and lithium battery 0V activation function, can effectively prolong battery life.