... F550, NP-F570 InfoLithium Equivalent professional Camcorder Battery for Sony Specification ChemistryLi-ionVoltage7.2V(Compatible with 7.4V) ... DCR-TRV5, DCR-TRV510, DCR-TRV520, DCR-TRV520E, DCR-TRV525, DCR-TRV58E, DCR-TRV620, DCR-TRV620E, DCR-TRV620K, DCR-TRV7, DCR-TRV720, DCR-TRV720E, DCR-TRV735K, DCR-TRV820, DCR-TRV820E, DCR-TRV820K, DCR-TRV9, DCR-TRV900, DCR-TRV900E, DCR-TRV935Kfor Sony DCR ...