It may convert the Gold Plate to the V-Lock bracket. It offers a solution to allow the use of V-lock batteries on Gold mount cameras. It can also be used as a charge adapter, enabling you to charge V-lock batteries on Gold mount chargers.
1. Lock V-Mount battery to the V mount side of the D-AS, then the battery converts into AB mount. Please see the illustration for the conversion.
2. Lock Gold Mount side of D-AS with the camera, then the battery ready to work.