HP ProBook 6545b Maintenance And Service Manual page 176

Specifications
Input power
Operating voltage
Operating current
Temperature
Operating (not writing to optical disc)
Operating (writing to optical disc)
Nonoperating
Relative humidity
Operating
Nonoperating
Maximum altitude (unpressurized)
Operating
Nonoperating
✎
Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this
range of temperatures.
6–2
Metric
18.5 V dc @ 3.5 A - 65 W or 19.0 V dc @ 4.74 A - 90 W
3.5 A or 4.74 A
0°C to 35°C
5°C to 35°C
-20°C to 60°C
10% to 90%
5% to 95%
-15 m to 3,048 m
-15 m to 12,192 m
U.S.
32°F to 95°F
41°F to 95°F
-4°F to 140°F
-50 ft to 10,000 ft
-50 ft to 40,000 ft
Maintenance and Service Guide