Nikon D40X User Manual
Page 133
Technical Notes/Specifications 121
Unless otherwise stated, all figures are for a camera with a fully-charged battery operating at an ambi-
ent temperature of 20°C (68°F).
EN-EL9 Rechargeable Li-ion Battery
Battery Life
Battery life varies with charge state and shooting conditions. The number of shots that can be taken
with a fully-charged EN-EL9 battery (1000mAh) is approximately 520 shots in single-frame shooting
mode and 2,000 shots in continuous shooting mode. Battery life for single frame shooting mode is
measured according to CIPA standards (lens cycled from infinity to minimum range and shutter
released at default settings once every 30s; flash fired with every other shot). Battery life for continu-
ous shooting mode is measured with image quality set to JPEG Basic, an image size of M, a shutter
speed of ½
50
s, the shutter release pressed halfway for three seconds and focus then cycled from infin-
ity to minimum range three times; after six shots, the monitor is turned on for five seconds and then
turned off; the cycle is repeated once exposure meters have turned off. All measurements are per-
formed with an 18–55mm f/3.5–5.6GII ED AF-S DX Zoom-Nikkor lens.
The following can reduce battery life:
To ensure maximum battery performance:
• Keep the battery contacts clean. Soiled contacts can reduce battery performance.
• Use batteries immediately after charging. Batteries will lose their charge if left unused.
The battery level displayed by the camera may vary with changes in temperature.
Specifications
Nikon reserves the right to change the specifications of the hardware and software described in this
manual at any time and without prior notice. Nikon will not be held liable for damages that may result
from any mistakes that this manual may contain.
Supported languages
Chinese (Simplified and Traditional), Dutch, English, Finnish, French, German, Italian,
Japanese, Korean, Polish, Portuguese, Russian, Spanish, Swedish
Power source
• One rechargeable Nikon EN-EL9 Li-ion battery; charging voltage (MH-23 quick
charger): 7.4V DC
• EH-5 AC adapter (available separately; requires optional EP-5 AC adapter connector)
Dimensions (W×D×H)
Approximately 126Ч64Ч94mm (5.0Ч2.5Ч3.7in.)
Approximate weight
495g (1lb. 1oz.) without battery, memory card, or body cap
Operating environment
Temperature
0–+40°C (+32–104°F)
Humidity
Less than 85% (no condensation)
Type
Rechargeable lithium-ion battery
Rated capacity
7.4V/1000mAh
Dimensions (W×D×H)
Approximately 36Ч56Ч14mm (1.4Ч2.2Ч0.6in.)
Approximate weight
51g (1.8oz.), excluding power cable
• Using the monitor
• Keeping the shutter-release button pressed half-
way
• Repeated autofocus operations
• Taking RAW (NEF) photographs
• Slow shutter speeds
• Using vibration reduction with VR lenses