Kaavie -The Finest third Party Grip BG-2P for Nikon DF Camera - Professional Vertical Battery Grip for Nikon DF - Black Powered by up to two Battery Pack EN-EL14a, This grip can make 3000 shots actual in one full charge with 2pcs EN-EL4A Li-ion batteries. Improved ergonomics for comfortable holding Features a variety of operating controls: 2-step Vertical shutter Ideal for high volume and easy vertical shooting This is the best third party grip you can buy on the market. We used the same product process and material as Nikon DF