This D-Tap to Sony a7S III dummy battery NP-FZ100 cable from Kondor Blue is the perfect way to power your Sony a7S III series cameras. With an input voltage range of 10 to 18 volts, this cable can be used with any power source that has a D-Tap input. The dummy battery included in the cable keeps the power regulator neatly tucked away, so it doesn’t interfere with the cable.