Custom Setting #D11 Order Batteries Are Used - Nikon D300 Complete Manual

2. You don't have to set this function if you use EN-EL3e or
EN-EL4 batteries in the MB-D10; the D300 detects those
automatically.
3. So what type of battery should you use in the MB-D10?
EN-EL4a batteries are the first choice, by far. First, they're
rechargeable, which is good for the environment. But
they'll also provide the longest shooting time and
ultimately do so at a low expense. EN-EL3e batteries are
second best in terms of shooting time. Using AA batteries
in the MB-D10 should be considered an emergency
option, in my opinion. Thus, you use what you have
available. For me, that's NiMH batteries, since I'm always
carrying extras for use in my flash units. Lithium AA
batteries are expensive, and disposing of lithium isn't
exactly something you want to do regularly—it's not a
great environmental friend, though it's better than some of
the other materials batteries have been made of. Alkaline
AA batteries are cheap and ubiquitous, but they won't last
as long as NiMH or Lithium batteries.
4. Note that only the full, low, and empty battery displays
are shown when AA batteries are used by the camera, and
the detailed Battery info option on the SETUP menu
doesn't apply to them.

Custom Setting #D11 Order Batteries are Used

(Battery order)
If you use the optional MB-D10, you need to tell the camera
in which order you wish it to use the two possible batteries:
Use MB-D10 batteries first Use the battery (or batteries) in
Use camera battery first
Thom Hogan's Complete Guide to the Nikon D300
the MB-D10 before using the
battery in the camera [default]
Use the battery in the camera
before using the battery (or
batteries) in the MB-D10
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