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260 Technical Notes
A variety of accessories are available for the D850.
Other Accessories
Power sources • EN-EL15a Rechargeable Li-ion Battery (0 189): Additional
EN-EL15a batteries are available from local retailers and
Nikon service representatives. EN-EL15b/EN-EL15
batteries can also be used.
• MH-25a Battery Charger: The MH-25a can be used to
recharge EN-EL15a batteries. MH-25 battery chargers
can also be used.
• MB-D18 Multi-Power Battery Pack (0 149, 187, 188): The
MB-D18 is equipped with a shutter-release button,
Fn button, AF-ON button, multi selector, and main- and
sub-command dials for improved operation when
taking photographs in portrait (tall) orientation. When
attaching the MB-D18, remove the camera MB-D18
contact cover. A BL-5 battery-chamber cover and an
MH-26a or MH-26 battery charger are required when
using EN-EL18c batteries. EN-EL18b, EN-EL18a, and
EN-EL18 batteries can also be used. The maximum
frame advance rate varies with the battery type; the
figures below are the average maximum frame rates
available with continuous-servo AF, manual or shutter-
priority auto exposure, a shutter speed of
1
/ 250 s or faster,
and other settings at default values.
Battery type
Release mode
CH CL
EN-EL15a/AA 7 fps 1– 6 fps
EN-EL18c 9 fps 1–8 fps
The number of pictures that can be taken in a single
burst also varies with the power source; for more
information, see “Buffer Capacity” (0 269).