IndiPro Tools V-Mount plate to Blackmagic Design 4K Camera allows you to connect V-mount batteries to power up the Blackmagic Cinema Camera. It connects to the camera via plug, which extends out from the side on a 20" cable,. The plate also features one P-Tap accessory port providing 12V-16V of power (depending on your battery). This plate is designed to be mounted on your rig using a included 15mm mounting adapter.