Capacity: The Blackmagic Pocket Camera Battery Pro Grip adds two extra NP-F570 batteries to the 6K Pro for over 3 hours of shooting on a single charge. Thats a massive battery life, in a compact design that integrates seamlessly with the cameraDesign: Featuring a unique carbon fiber design, nonslip hand grips, and a slide out tray, the battery grip makes long shoots easier because it gives you more to hold ontoStatus: You can view the status of the grips batteries on the touchscreen displayCharging: You can charge the batteries via the cameras 12V DC power connection in between takesReplacement: The Blackmagic Pocket Battery Grip lets you replace the 4K and 6K models standard LPE6 battery with two Lseries batteries