Dell Latitude 5420 Owner's Manual page 220

Output 65 W
current
3.34 A
(continuous)
Rated 19.5 +/–
output 1.0 VDC
voltage
Dimensions
65 W
Height 16.00 mm
(0.63 inch)
Width 66.00 mm
(2.60
inches)
Length 127.00 mm
(5.00
inches)
Temperature
range:
Operating 0 °C to 40 °C (32 °F to
104 °F)
Non- –40 °C to 70 °C (–40 °F
Operating to 158 °F)
Physical
Height
Latitude 29.90
5420/ mm to
E5420/ 32.50
E5420m mm
(1.18
inches
to 1.28
inches)
Latitude 30.20
5520/ mm to
E5520/ 33.20
E5520m mm
(1.19
inches
to 1.31
inches)
Width
90 W
4.62 A
(continuous)
90 W
16.00 mm
(0.63 inch)
70.00 mm
(2.76
inches)
147.00 mm
(5.79
inches)