Nikon MB-D18 Multi-Power Battery Pack MS-D12EN Holder for EN-EL15 Battery MS-D12 Holder for AA Batteries Dedicated to the Nikon D850 DSLR, the MB-D18 Multi-Power Battery Pack offers both enhanced handling capabilities as well as extended battery life. It accepts one additional EN-EL15 lithium-ion battery pack to increase the camera's battery life or, alternatively, eight AA batteries can be used in conjunction with the included MS-D12 AA Battery Holder. Alternatively, an EN-EL18a/b battery can also be used in conjunction with an optional BL-5 Battery Chamber Cover in order to achieve a faster 9 fps shooting rate as well as an approximate battery life of 5140 shots per charge. The physical design of the grip improves shooting in the vertical orientation with the inclusion of a secondary shutter release button, AE/AF lock button, multi selector, and main- and sub-command dials. For D850 Camera Holds 1 x EN-EL15 or 8 x AA Batteries Can Hold EN-EL18a/b for 9 fps Shooting Extended Grip for Vertical Composition Shutter Release Button for Vertical Use
