HP 640 ProBook G3 Series Maintenance And Service Manual page 107

15" products
Operating voltage and current
Temperature
Operating
Nonoperating
Relative humidity (noncondensing)
Operating
Nonoperating
Maximum altitude (unpressurized)
Operating
Nonoperating
NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The device operates well within this range of
temperatures.
Metric
19.5 V dc @ 2.31 – 45 W
19.5 V dc @ 3.33 A – 65 W
19.5V@4.6A– 90W (select products only)
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
‑50 ft to 10,000 ft
‑50 ft to 40,000 ft
Computer specifications 99