Description: Vertical Battery Grip MB-D18 Replacement Part Nikon D850 DSLR camera. Convenient to vertical composition, improve the photography stability. Powered by 6 AA batteries, EN-EL15(a) or EN-EL18a/b rechargeable li-ion batteries, to enhance the camera's battery life. Come with AA batteries case and Li-ion battery case. Function: AE-L/AF-L lock button, vice multiple button, focusing/shutter, main and deputy dial. Made of high quality ABS plastic material and copper contact for durability. Specification: Material: ABS Plastic + Metal Size: 126.9x107.9x61.8 mm/5.0x4.2x2.4 inch Package Includes: 1x Battery Grip 1x AA Batteries Case 1x Li-ion Battery Case 1x User Manual