Nikon D4S - Manual (Page 489)

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Battery Life
The movie footage or number of shots that can be recorded with
fully-charged batteries varies with the condition of the battery,
temperature, the interval between shots, and the length of time
menus are displayed. Sample figures for EN-EL18a (2500 mAh)
batteries are given below.
• Photographs, single-frame release mode (CIPA standard
1 ) : Approximately
3020 shots
• Photographs, continuous release mode (Nikon standard 2 ) : Approximately
5960 shots
• Movies: Approximately 55 minutes at 1080/60p 3
1 Measured at 23 °C/73.4 °F (±3 °C/5.4 °F) with an AF-S NIKKOR 24–
70mm f/2.8G ED lens under the following test conditions: lens cycled
from infinity to minimum range and one photograph taken at default
settings once every 30 s. Live view not used.
2 Measured at 20 °C/68 °F with an AF-S VR ED 70–200mm f/2.8G lens
under the following test conditions: vibration reduction off, image
quality set to JPEG normal, image size set to L (large), shutter speed
1 /
250
s, focus cycled from infinity to minimum range three times after
shutter-release button has been pressed halfway for 3 s; six shots are
then taken in succession and monitor turned on for 5 s and then
turned off; cycle repeated once standby timer has expired.
3 Measured at 23 °C/73.4 °F (±3 °C/5.4 °F) with the camera at default
settings and an AF-S NIKKOR 24–70mm f/2.8G ED lens under
conditions specified by the Camera and Imaging Products Association
(CIPA). Individual movies can be up to 10 minutes in length or 4 GB in
size; recording may end before these limits are reached if the camera
temperature rises.