Selens External Portable DC Dummy Battery Pack for Sony Micro SLR NP-FW50 Full Decode Power Works with many devices that use the batteries Sony NP-FW50. Compatible Camera Models: For Sony NEX-3 series, NEX-5N/5R/5C/5T series, NEX-6 series, NEX-7 series; For Sony a7 series (Alpha a7, a7R, ILCE7/B, ILCE7K/B, ILCE7R/B, ILCE-7, ILCE-7R); For Sony A33, A35, A37, A55; For Sony a5000, a5100, a6000, a6300; For Sony RX10 series The power supply mode is chosen by you: connect it to USB converter cable and power bank, and you can shoot long time anywhere. If you connect it to the AC adapter indoor, it will be the best choice for long time photography or videography for studio and home shooting. In order to make your camera work, please make sure your power supply output is 7.6V~9V. (AC adapter or USB converter cable needs to be purchased separately.) Built-in Fully-Decoded Protective Circuit, Displaying the Electricity Consumption on the Screen of the SLR Camera. Bulti-in Protection of High-Power Booster Overvoltage, Overcurrent and Short Circuit.