Dell Latitude XT2 (Early 2009) - Manual (Page 18)

Output current 3.3 A (maximum at 10ms pulse)
2.3 A (continuous)
Output power 45 W or higher
Rated output voltage 19.5 ±1.0 VDC
Dimensions:
Height 16 mm (0.63 inch)
Width 63 mm (2.48 inches)
Depth 88 mm (3.46 inches)
Temperature range:
Operating 0° to 40°C (32° to 104°F)
Storage –10° to 70°C (–50° to 158°F)
Fingerprint Reader (optional)
Type UPEK TCS3 TouchStrip™ strip sensor with CMOS active
capacitive pixel-sensing technology
Array size 248 x 2 pixels
Physical
Height 19.95–26.82 mm (0.79–1.06 inch)
Width 290.6 mm–296.6 mm (11.44–11.68 inches)
Depth 204 mm–226 mm (8.03–8.9 inches)
Weight 1 kg (2.2 lb)
Environmental
Temperature range:
Operating 0° to 35°C (32° to 95°F)
Storage –40° to 65°C (–40° to 149°F)
Relative humidity (maximum):
Operating 10% to 90% (non-condensing)
Storage 5% to 95% (non-condensing)
Maximum vibration (using a random-vibration spectrum that simulates user environment):
Operating 0.66 GRMS
Storage 1.3 GRMS
Maximum shock (measured with hard drive in head-parked position and a 2-ms half-sine pulse):
Operating 143 G
Storage 163 G
Altitude (maximum):
Operating – 15.2 to 3048 m (–50 to 10,000 ft)
Storage – 15.2 to 3048 m (–50 to 10,000 ft)
Airborne contaminant level G2 or lower as defined by ANSI/ISA-S71.04-1985