Dell Alienware M15x (Early 2011) - Manual (Page 8)

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COMPREHENSIVE SPECIFICATIONS
AC Adapter
Dimensions:
Height
25.4 mm (1.0 inches)
Width 154.7 mm (6.1 inches)
Length 25.4 mm (1.0 inches)
Weight (without AC power cord) 0.52 kg (1.14 lb)
Temperature range:
Operating
0° to 35°C (32° to 95°F)
Storage –40° to 70°C (–40° to 158°F)
Connector types:
DC connector
3 pin, 7.4 mm plug
AC connector 3 pin - C13
Battery
Temperature range
Operating
0° to 50°C (32° to 122°F)
Storage –20° to 65°C (–4° to 149°F)
Coin-cell battery CR-2032
AC Adapter
Type
150 W
Input voltage 100 - 240 VAC
Input current (maximum) 2.5 A
Input frequency 50 - 60 Hz
Output current 7.7 A (continuous)
Output power 150 W
Rated output voltage 19.5 VDC