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Technical Notes—Specifi cations
Battery Life
The number of shots that can be taken with an EN-EL4 battery varies with the con-
di tion of the battery, temperature, and how the camera is used.
Case 1
At room temperature (20 °C/68 °F), approximately 2600 shots can be taken with a
fully-charged (1900 mAh) EN-EL4 bat tery and an AF-S VR 70–200 mm f/2.8G IF ED lens
(VR off) un der the following standard Nikon test con di tions: con tin u ous high-speed
shoot ing mode; high-speed crop mode off; con tin u ous-servo autofocus; image qual-
ity set to JPEG Normal; im age size set to Large; shutter speed ½
50 s; shut ter-re lease
pressed half way for three sec onds and fo cus cycled from infi nity to min i mum range
three times with each shot; after six shots, mon i tor turned on for fi ve seconds and then
turned off; cycle re peat ed once exposure meters have turned off.
Case 2
At room temperature (20 °C/68 °F), approximately 850 shots can be taken with a fully-
charged (1900 mAh) EN-EL4 bat tery and an AF-S VR 24–120 mm f/3.5–5.6G IF ED lens
(VR off) under the following standard Nikon test con di tions: sin gle-frame shoot ing
mode; high-speed crop mode off; sin gle-ser vo autofocus; image qual i ty set to JPEG
Normal; im age size set to Large; shut ter speed ½50 s; shut ter-re lease pressed half way
for six seconds and fo cus cycled from infi nity to min i mum range once with each shot;
after each shot, mon i tor turned on for two seconds and then turned off; cycle re-
peat ed once exposure meters have turned off.
The following can reduce battery life:
• Using the monitor
• Keeping the shutter-release button pressed halfway
• Repeated autofocus operations
•Taking NEF (RAW) or TIFF (RGB) photographs
• Slow shutter speeds
• Using optional WT-2/2A or WT-1 / 1A wireless transmitters
To ensure that you get the most from rechargeable Nikon EN-EL4 batteries:
• Keep the battery contacts clean. Soiled contacts can reduce battery performance.
• Use batteries immediately after charging. Batteries will lose their charge if left un-
used.