A combination of the convi clamp and a v-mount battery bracket, this system offers a great storage and mounting solution for a battery and transformer and is an ideal way to stabilize a light stand and free up floor space. The built-in v-mount battery holder allows for securely mounting a battery on the bracket effortlessly and a d-tap output is also equipped for connecting gear. In the reverse position of the bracket, the unique transformer cradle keeps the transformer in place inside the bracket withthe elasticized velcro. Simply making use of two tear-shaped holes, the bracket can be quickly hung on the plastic stop pers mounted in the bottom of convi clamp. Can fit a variety of stand widths up to 50mm in diameter and is easy to snap on and off for quick set up or take-down.