Helping you achieve the most from your D850 DSLR, the Nikon MB-D18 Multi-Power Battery Pack with EN-EL18c Battery Kit from B&H includes the accessories needed to achieve a 9-fps continuous shooting rate, as well as extended battery life with up to 5140 shots per charge. This kit comprises the dedicated MB-D18 battery grip for the D850, an EN-EL18c rechargeable lithium-ion battery, a BL-5 Battery Chamber Cover, and the MH-26aAK Adapter Kit and Battery Charger.
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/c 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.
The Nikon EN-EL 18c Rechargeable Battery has a capacity of 2500mAh, an output of 10.8V, and 27Wh. Also, the battery can charge within the MH-26a or MH-26aAK chargers, and it can be used as a replacement battery for the Nikon D5, D4S, and the D4.
The Nikon MH-26aAK Adapter Kit includes a BT-A10 adapter and an MH-26a dual battery charger. The MH-26a charges and calibrates the EN-EL18, EN-EL18a, and EN-EL18b Li-Ion batteries for the D4 and D4S cameras, and MB-D12 battery pack. The adapter attaches to one of the slots on the MH-26a and charges the EN-EL4 and EN-EL4a Li-Ion batteries for the D3 series cameras, and the MB-10 and MB-40 battery packs.
The BL-5 Battery Chamber Cover from Nikon is a battery chamber cover that's used with the MB-D12, MB-D17, and MB-D18 Battery Packs and enables the use of an EN-EL18 series rechargeable lithium-ion battery to power the camera.