Fotga V Mount V-Lock D-tap BP Battery Plate Adapter for Sony DSLR Dv SLR Video Camera The BP battery mount can be mounted on to the back of LCD monitor / Power supply station / steadicam / power plate It is a device which can connect the battery and videoing devices together It is for Sony BP battery with v-mount and D-tap connector input Can power an onboard camera light or broadcast accessory Suitable for: Sony V-shoe mount Batteries