Dell Alienware 18 (Mid 2013) - Manual (Page 5)

Touchpad
X/Y position resolution (graphics table mode):
Horizontal 1092 dpi
Vertical 1727 dpi
Dimensions:
Height 56 mm (2.20 inches)
Width 100 mm (3.93 inches)
Battery
Type
8-cell “smart” lithium ion (86 WHr)
Dimensions:
Height 170.20 mm (6.70 inches)
Width 76.35 mm (3.00 inches)
Depth 19.70 mm (0.77 inch)
Weight 0.465 kg (1.02 lbs)
Voltage 14.80 VDC
Operating time Varies depending on operating conditions and
can significantly reduce under certain power-
intensive conditions.
Life span (approximate) 300 discharge/charge cycles
Temperature range:
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –40 °C to 65 °C (–40 °F to 149 °F)
Coin-cell battery CR-2032
Power Adapter
Type 240 W/330 W
Input voltage 100 VAC–240 VAC
Input current (maximum) 3.50 A/4.40 A
Input frequency 50 Hz–60 Hz
Output current 12.3 A/16.9 A
Rated output voltage 19.50 VDC
Temperature range:
Operating 0 °C to 40 °C (32 °F to 104 °F)
Storage –40 °C to 70 °C (–40 °F to 158 °F)