The Tilta Battery Plate for Canon C400 (V-Mount) was designed to attach and lock into your camera's battery bay, the battery plate delivers power by connecting the DC input port of your camera via a short, integrated 4-pin cable. The battery plate also features two D-Tap outputs, a 2-pin LEMO-style connector, and a USB-C PD fast charging port to power a variety of accessories. There is also a USB-C input that can be used to power your gear when the battery isn't installed.