Dell Precision 7540 Handbuch für Einrichtung und Spezifikationen - Seite 21
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Features
Voltage
Life span
Charging time when the computer is off (approximate)
Operating time
Temperature range: Operating
Temperature range: Storage
Coin-cell battery
Power adapter
Table 20. Power adapter specifications
Features
Type
Input Voltage
Input current (maximum)
Input frequency
Output current
Rated output voltage
Temperature range (Operating)
Temperature range (Non-Operating)
Dimensions and weight
Table 21. Dimensions and weight
Features
Height
Width
Depth
Weight
Specifications
•
64 WHr - 7.8 VDC
•
97 WHr - 11.4 VDC
300 discharge/recharge cycles
4 hours
Varies depending on operating conditions and can significantly
reduce under certain power-intensive conditions
0°C to 35°C (32°F to 95°F)
-40°C to 65°C (-40°F to 149°F)
ML1220
Specifications
180 W adapter
100 to 240 VAC
180 W - 2.34 A
50 Hz to 60 Hz
180 W - 9.23 A (continuous)
19.5 VDC
0º to 40º C (32º to 104º F)
40º to 70º C (-40º to 158º F)
Specifications
Front height (Touch) - 1.02 inches (25.9 mm)
Rear height (Touch) - 1.21 inches (30.85 mm)
Front height (Non-touch) - 0.98 inches (25.0 mm)
Rear height (Non-touch) - 1.18 inches (29.97 mm)
Front height (AI Cover) - 0.94 inches (24.0 mm)
Rear height (AI Cover) - 1.19 inches (30.4 mm)
14.87 inches (377.60 mm)
9.89 inches (251.30 mm)
Starting 5.57 lbs (2.52 kg)
System specifications
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