Key Features 24″ Cable Regulated at 8V Description Power your Panasonic Lumix DC-S1H from an external power source with this D-TAP power cable to Panasonic DMW-BLJ31 Type dummy battery. The cable has a standard D-TAP connector on one sider and A Panasonic DMW-BLJ31-type dummy battery at the end of an integrated 24″ cable. This dummy battery works with the Panasonic Lumix DC-S1H Mirrorless Digital Camera Series. The cable is regulated at 8V to provide the correct voltage to your camera, plus the in-line voltage regulator helps prevent electrical noise being introduced into your camera. Assembled in the USA.