Dell Vostro 1720 (Early 2009) - Manual (Page 9)

Operating 0° to 35°C (32° to 95°F)
Storage -40° to 65°C ( -40° to 149°F)
Output voltage 19.5 VDC
Output current 5.62 A (maximum at 4-second pulse), 4.62 A
(continuous)
Dimensions:
Height 15.00 mm (0.60 inches)
Width 66.00 mm (2.60 inches)
Depth 127.00 mm (5.00 inches)
Weight 0.29 kg (0.64 lb)
PA-10 90 W D-Series AC adapter:
Output voltage 19.5 VDC
Output current 4.62 A
Height 33.80 mm (1.34 inches)
Width 60.90 mm (2.39 inches)
Depth 153.40 mm (6.04 inches)
Weight (with cables) 0.46 kg (1.01 lbs)
PA-3E 90 E-Series AC adapter:
Output voltage 19.5 VDC
Output current 4.62 A
Height 15.00 mm (0.60 inches)
Width 70.00 mm (2.80 inches)
Depth 147.00 mm (5.80 inches)
Weight 0.34 kg (0.76 lb)
Physical
Height Front: 29.00 mm (1.14 inches)
Back: 40.50 mm (1.59 inches)
Width 393.00 mm (15.47 inches)
Depth 286.00 mm (11.26 inches)
Weight (with 6 -cell battery) 3.09 kg (6.85 lbs)
Weight (with 8 -cell battery) 3.18 kg (7.05 lbs)
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% (noncondensing)
Storage 5% to 95% (noncondensing)
Maximum vibration (using a random-vibration spectrum that simulates user environment):
Operating 0.66 GRMS
Storage 1.30 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