HP laptop c2m21ua Manuale Utente

The operating environment information in the following table may be helpful if you plan to use or transport
the computer in extreme environments.

Operating

10˚C to 35˚C

50˚F to 95˚F

Nonoperating

-20˚C to 60˚C

-4˚F to 140˚F

Operating

10% to 90%

10% to 90%

Nonoperating

5% to 95%

5% to 95%

Operating (14.7 to 10.1 psia*)

-15 m to 3,048 m

-50 ft to 10,000 ft

Nonoperating (14.7 to 4.4 psia*)

-15 m to 12,192 m

-50 ft to 40,000 ft

*Pounds per square inch absolute (psia) is another unit of measurement for altitude.

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 stand-alone DC power source, it should be powered only with an
AC adapter or a DC power cord supplied by or approved for this computer.

The computer is capable of accepting DC power within the following specifications.

Operating voltage

18.5 V dc to 19.0 V dc

Operating current

3.5 A or 4.74 A

This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding
240 V rms.

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