The vertical battery grip VG-GFX1 provides a solid grip while also maintaining the camera's optical axis during vertical shooting. The grip features a Shutter Release Button, Command Dial, Focus Lever and six Fn buttons, mirroring the layout of the camera body. It holds an extra battery to enable shooting for extended periods of time and can be used to charge the battery. Using the AC adapter supplied (AC-15V), you can fully charge a battery in approx. two hours.