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.

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