Dell Alienware M17x (Mid 2009) - Manual (Page 7)

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SPECIFICATIONS
AC Adapter
Type
240 W
Input voltage 100 - 240 VCA
Input current (maximum) 3.5 A
Input frequency 50 - 60 Hz
Output current 12.31 A (continuous)
Output power 240 W
Rated output voltage 19.5 VDC
Dimensions:
Height
25.4 mm (1.0 inches)
Width 100 mm (3.94 inches)
Length 200 mm (7.87 inches)
Weight without AC power cord:
240 W
0.85 kg (1.87 lbs)
Temperature range:
Operating
0° to 40°C (32° to 104°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
Type
9-cell “smart” lithium ion (86 Whr)
Depth 52.3 mm (2.06 inches)
Height 41.54 mm (1.63 inches)
Width 292.7 mm (11.52 inches)
Weight 0.52 kg (1.14 lbs)
Voltage 11.1 VDC
Expected battery life Approximately 2.5 hours battery life, if the
computer is working in the integrated MCP79
Graphics Mode with high performance discrete
GFX cards disabled.
Press to switch between integrated
graphics and discrete graphics.
NOTE: Battery operating time varies depending
on operating conditions and can be significantly
reduced under certain power-intensive
conditions.
Life span (approximate) 300 discharge/charge cycles
Temperature range:
Operating
0° to 35°C (32° to 95°F)
Storage –40° to 65°C (–40° to 149°F)
Coin-cell battery CR-2032