The VBP-01 V-Mount Battery Pinch is the power solution features multiple power outputs and an integrated HDMI splitter,this unit provides effective power and video signal management. It provides 12,7.4, and 5V DC of power output to different rig components, while a USB output is available for charging your mobile or wireless device. A barrel jack power input can charge the battery while tethered. It can power device without battery by plug the AC charging adapter directly in to 15/AC jack. Using the integrated15mm LWS rod clamp, this battery plate can be mounted onto the rear of ashoulder rig. Having the device in this configuration allows you to use it andthe battery as a counterweight for an otherwise front-heavy rig.