NP-BX1 Dummy Battery Camera Power Supply Charger for Sony DSC-RX1 DSC RX100
Compatible with Sony DSC-RX100, Cybershot DSC-RX100, Cybeshot RX100;Compatible with Sony DSC-RX100 II, Cybershot DSC-RX100 II, Cybeshot RX100 II. usually it must be used with an AC power adapter.