Nikon D4S - Manual (Page 480)

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• Unless otherwise stated, all figures are for a camera with a fully-charged
battery operating at the temperature specified by the Camera and Imaging
Products Association (CIPA): 23 ±3 °C (73.4 ±5.4 °F).
• 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.
Operating environment
Temperature 0 °C–40 °C (+32 °F–104 °F)
Humidity 85% or less (no condensation)
MH-26a battery charger
Rated input AC 100 to 240 V, 50/60 Hz
Charging output DC 12.6 V/1.2 A
Applicable batteries Nikon EN-EL18a rechargeable Li-ion batteries
Charging time per
battery Approx. 2 hours and 35 minutes at ambient
temperature of 25 °C (77 °F) when no charge remains
Operating temperature 0 °C–40 °C (+32 °F–104 °F)
Dimensions (W × H × D) Approx. 160 Ч 85 Ч 50.5 mm (6.3 Ч 3.3 Ч 2 in.)
Length of power cable Approx. 1.8 m/6 ft (U.S.A. and Canada) or 1.5 m/4.9 ft
(other countries)
Weight • Approx. 285 g (10.1 oz), including two contact
protectors but excluding power cable
• Approx. 265 g (9.3 oz), excluding contact protectors
and power cable
EN-EL18a rechargeable Li-ion battery
Type Rechargeable lithium-ion battery
Rated capacity 10.8 V/2500 mAh
Operating temperature 0 °C–40 °C (+32 °F–104 °F)
Dimensions (W × H × D) Approx. 56.5 Ч 27 Ч 82.5 mm (2.2 Ч 1.1 Ч 3.2 in.)
Weight Approx. 160 g (5.6 oz), excluding terminal cover