Introduction:
1.The JLWIN upgraded BP battery mount can be mounted on to the back of LCD monitor / Power supply station / steadicam / power plate. It is for Sony BP battery with v-mount and D-tap connector input.
2.It is a device which can connect the battery and videoing devices together. Can power an on board camera light or broadcast accessory.
3.This JLWIN upgraded version equipped with 2 D-tap connector outputs and one power on/off switch.A power switch is provided on the side to turn everything on or off.
4.The clamp has a maximum diameter of 4 cm, so that it could be sturdily and conveniently secured on the tripod leg, light stands, water pipe, handrail, pole, shelf, table, and branch etc.
Specification:
Color:Black
Mount Type: Sony V-shoe Mount
Material: ABS Flame-retardant plastic and Aluminum
DC Output: Two D-Tap connector (Power Tap) 14.8V
With One power on/off switch 
The U-clamp has a maximum diameter of 4 cm.  
Dimensions: Approx. 139X80X10mm/5.4X3.1X0.4''
Net Weight: Approx. 124g/4.4oz
Package including:
1* V-mount Battery-powered Plate