ILEDGear NP-F Battery to V-Mount Battery Converter Adapter Input: 7.2V. Output: DC 13-16.8V, Our adapter has Current protection. When the output exceeds the requirement, the adapter can stop working to protect devices Size: 14 x 9.2 x 5.08cm ( 5.5 x 3.6 x 2") Comes with a D-Tap port,making the adapter be very versatile to work with D-Tap cables Not only for LED Lights, but also 5D2 Rigs, no batteries included We recommand via two same style batteries, two NP-F970 etc