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9 Specifications
Input power
The power information in this section may be helpful if you plan to travel internationally with the computer.
The computer operates on DC power, which can be supplied by an AC or a DC power source. Although
the computer can be powered from a standalone DC power source, it should be powered only with an
AC adapter or a DC power source supplied and approved by HP for use with this computer.
The computer can operate on DC power within the following specifications.
Input power Rating
Operating voltage 18.5 V dc @ 3.5 A - 65W
Operating current 3.5 A
NOTE: This product is designed for IT power systems in Norway with phase-to-phase voltage not
exceeding 240 V rms.
NOTE: The computer operating voltage and current can be found on the system regulatory label on
the bottom of the computer.
Operating environment
Factor Metric U.S.
Temperature
Operating (writing to optical disc)
5°C to 35°C 41°F to 95°F
Nonoperating -20°C to 60°C -4°F to 140°F
Relative humidity (noncondensing)
Operating
10% to 90% 10% to 90%
Nonoperating 5% to 95% 5% to 95%
Maximum altitude (unpressurized)
Operating
-15 m to 3,048 m -50 ft to 10,000 ft
Nonoperating -15 m to 12,192 m -50 ft to 40,000 ft
Input power 39