1、Application: This battery mounting plate adapter is suitable for use with V battery power. The side is equipped with a B port DC output for powering news lights and other devices. 2、Standard D Tap Interface: With standard D tap interface, it can be used to power accessories through the D tap power port. Can be used to power camera accessories such as video lights that are powered by the D tap port. 3、Convenient: The V type mount battery can be hooked up to camcorders and other devices configured with the 2 hole interface snap on plate. Similarly, the V type mount battery can also be charged on a charger equipped with 2 hole interface snap on plate. This simplifies the management of the different interface types. 4、Easy To Install: V snap on plate on the front for connecting V batteries, and 2 hole mounting connector on the back for hooking up to the snap on plate on the end of the camera. 5、Multiple Guard: Professional V battery mount adapter plate for charging V type mount batteries with over voltage guard control, high conversion efficiency with automatic lock guard.