The Panasonic Lumix DMW-DCC18GU DC Coupler, in black, is designed to replace the internal battery of the Lumix GH7 camera, enabling continuous mains power for extended shooting sessions via the USB-C port. It is powered by the DMW-AC11E AC adapter (sold separately), making it ideal for long studio shoots, time-lapse photography, and other high-demand projects. This accessory eliminates the need for frequent battery changes, allowing professionals to focus on capturing content without interruption. Its USB-C compatibility ensures a fast, simple, and secure power connection for uninterrupted performance during demanding photography sessions. This dummy battery is a professional solution for Panasonic GH7 owners requiring consistent power during lengthy projects.