Dell XPS 18 (1820, Early 2014) - Manual (Page 42)

42 │ Specifications
Power Adapter
Input voltage 90 VAC-240 VAC
Input current (maximum) 1.60 A
Input frequency 50 Hz-60 Hz
Output power 65 W
Output current 3.34 A (maximum)
Rated output voltage 19.5 VDC
Temperature range:
Operating 0°C to 35°C (32°F to 104°F)
Storage -40°C to 65°C (-40°F to 149°F)
Computer Environment
Airborne contaminant
level G1 as defined by ISA-S71.04-1985
Operating Storage
Temperature range 0°C to 35°C
(32°F to 104°F) –40°C to 65°C
(–40°F to 149°F)
Relative humidity
(maximum) 10% to 90%
(non-condensing) 0% to 95%
(non-condensing)
Vibration (maximum) * 0.66 GRMS 1.30 GRMS
Shock (maximum) 110 G † 160 G ‡
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half-sine pulse when the hard drive is in use.
‡ Measured using a 2 ms half-sine pulse when the hard-drive head is in parked
position.