4-channel charger designed for professional DV batteries. It can charge 4 batteries
DV-FS is the charger for Dynacore DV-2S/4S/6S/6BS/8S, SONY NP-F550/770/970
Mount plate for DV-FS is universal for SONY NP-F550/770/970.
It can charge these different model batteries at the same time.