Dell Vostro 1540 Owner's Manual page 84

AC Adapter
Temperature range:
Operating
Non-Operating
Physical
Vostro 1440 / Vostro 1450:
Height (with a WLED panel)
Width
Depth
Weight (Minimum)
Vostro 1540 / Vostro 1550:
Height (with a WLED panel)
Width
Depth
Weight (Minimum)
Environmental
Temperature:
Operating
Storage
Relative humidity (maximum):
Operating
Storage
Altitude (maximum):
Operating
Non-Operating
84
0 °C to 40 °C (32 °F to 104 °F)
–40 °C to 70 °C (–40 °F to 158 °F)
31.50 mm to 34.70 mm (1.24 inches to 1.36
inches)
342.00 mm (13.46 inches)
244 mm (9.60 inches)
2.2 kg (4.85 lb)
31.50 mm to 34.50 mm (1.24 inches to 1.35
inches)
376.00 mm (14.80 inches)
260 mm (10.23 inches)
2.37 kg (5.22 lb)
0 °C to 35 °C (32 °F to 95 °F)
–40 °C to 65 °C (–40 °F to 149 °F)
10 % to 90 % (noncondensing)
5 % to 95 % (noncondensing)
–15.2 m to 3048 m (–50 ft to 10,000 ft)
–15.2 m to 10,668 m (–50 ft to 35,000 ft)