Nikon D3 User Manual page 61

4
Insert the battery.
Insert the battery as shown at right.
5
Latch the cover.
To prevent the battery from
becoming dislodged during
operation, rotate the latch to
the closed position and fold it
down as shown at right. Be
sure the cover is securely
latched.
A
EN-EL4a Rechargeable Li-ion Batteries
The supplied EN-EL4a shares information with compatible devices,
enabling the camera to show battery charge state in six levels (pg. 48).
The [Battery info] option in the setup menu details battery charge, battery
life, and the number of pictures taken since the battery was last charged
(pg. 353). The battery can be recalibrated as necessary to ensure that
battery level continues to be reported accurately (pg. 433).
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