Extend shooting time with the CBA-P1 AC Adapter and DC Coupler Replaces Panasonic DMW-BLF19 Battery from Watson. This kit enables shooting uninterrupted video and still photos without having to change camera batteries. The DC coupler dummy battery fits inside the camera, and the multi-voltage AC adapter plugs into any wall outlet for supplied power. This AC to DC coupler works with select cameras that use the Panasonic DMW-BLF19 battery, providing the ability to shoot photos or videos uninterrupted. Whether in the studio or near an outlet on location, capturing long exposure or time-lapse photography just got easier.