Vello Battery Grip for Sony a7 III Series

The Vello Battery Grip for Sony a7 III Series can be installed directly into the camera's battery chamber, just remove the door and attach it to the side of the grip's stem. Align the grip and camera contacts inside the chamber to ensure power is being supplied to the camera, and tighten the grip against the body via the thumbscrew in the 1/4"-20 tripod socket.