The BLS-50 Battery Coupler to D-Tap Adapter Kit from Bescor connects Olympus OM-D E-M5 Mark III, OM-D E-M10 Mark II, and OM-D E-M10 Mark III Mirrorless Digital Cameras to a D-Tap power port. One end of the coupler features a D-Tap connecter, and the other end provides a BLS-50-style dummy battery to connect to your camera.