14 Specifications; Input Power; Operating Environment - HP EliteBook 820 G3 Maintenance And Service Manual

14 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. The AC power
source must be rated at 100–240 V, 50–60 Hz. 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
Operating voltage and current
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.

Operating environment

Factor
Temperature
Operating (writing to optical disc)
Nonoperating
Relative humidity (noncondensing)
Operating
Nonoperating
Maximum altitude (unpressurized)
Operating
Nonoperating
Rating
19.5 V dc @ 2.31 A – 45 W
19.5 V dc @ 3.33 A – 65 W
Metric
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.
41°F to 95°F
-4°F to 140°F
10% to 90%
5% to 95%
-50 ft to 10,000 ft
-50 ft to 40,000 ft
Input power 99