SmallRig V Mount Battery Adapter Plate with Crab-Shaped Clamp 3202 is designed to provide greater battery life to your camera rig via a V mount battery. The plate utilizing a standard V mount fits most V mount batteries. It gives an 8V DC output port, two 12V DC output ports, a 14.8V D-Tap output port, and a 5V/2A USB output port to power your camera and other external accessories like a monitor, a phone, etc. via a V mount battery. It features a power switch that controls all of the output ports to power on or power off your rig more quickly and conveniently. It comes with a crab-shaped clamp that fits rod diameter from 15mm to 30mm to help mount a V mount battery to a tripod, a light stand or a handheld ring for gimbals, and multiple 1/4”-20 thread holes on the back, top, and bottom, to attach a dual rod clamp, a magic arm or other accessories.