Power your Panasonic Lumix DC-S1H from a external power source with this D-Tap Power Cable to Panasonic DMW-BLJ31 Type Dummy Battery . The cable features 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 will work with the Panasonic Lumix DC-S1H Mirror-less Digital Camera Series. The cable is regulated at 8v to provide the correct voltage to your camera, and in addition the in-line voltage regulator helps prevent electrical noise from being introduced into your camera. Assembled in the USA.