Description: DMW-DCC12 Designed for Panasonic DMC-GH3/DMC-GH4 camera. Used to prolong your taking photo time effectively. Half-decoded dummy battery, easy to use. Plug one end into the camera, and the other into power supply devices(V-mount battery plate/ camera AC adapter etc). Plug Socket: 4.0 * 1.7mm ,, Voltage: 7.2V-8.4V Specification: Material: ABS Type: Half-decoded Compatibility: for Panasonic DMC-GH3/DMC-GH4/GH5 Plug Socket: 4.0 * 1.7mm Voltage: 7.2V-8.4V Cable Length: 33cm / 13.0inch Package Includes: 1PiecexDMW-DCC12 Dummy Battery Note: Only the dummy battery is included. Please make sure that the output voltage of your V-mount battery plate and AC adapter is 7.2V-8.4V