This battery grip for the Nikon Z6 and Z7 has been designed to Increase the frame-rate and operating time. The dust and drip-resistant grip offers more comfort and a steadier user experience. It will accept two Nikon EN-EL15B meaning you can shoot for longer periods of time without stopping. When used with the Z6 you’ll achieve an expanded 610 shots and 150 minutes of video over the standard 330 shots and 85 mins of video. The Z7 sees an expanded 570 shots and 155 minutes of video over the standard 310 shots and 85 minutes of video.