The Hahnel HL-XW50 Battery Twin Pack is a spare or replacement battery equivalent to the Sony FW50 for the Sony NEX-3, NEX-5, NEX-5N, NEX-7, A33, A55, A5100, A6000, A6300, A6400, A6500, A7, A7 Mark II, A7R, A7R Mark II, A7S, A7S Mark II, RX10, RX10 III, RX10 IV cameras.
