Ac Adapter Specifications; Port And Connector Specifications - Dell Latitude 7280 Owner's Manual

Feature Specification
•
Non-operating - 20°C to 65°C (- 4°F to 149°F)
Coin cell battery 3 V CR2032 lithium coin cell

AC adapter specifications

Feature Specification
Type 65 W and 90 W
Input voltage 100 V AC to 240 V AC
Input current— 1.7 A / 2.5 A
maximum
Input frequency 50 Hz to 60 Hz
Output current 3.34 A and 4.62 A
Rated output 19.5 V DC
voltage
Weight 230 g (65 W) and 320 g (90 W)
Dimensions 22 x 66 x 106 mm (65 W) and 22 x 66 x 130 (90 W)
Temperature range 0°C to 40°C (32°F to 104°F)
—Operating
Temperature range –40°C to 70°C (–40°F to 158°F)
—Non-Operating

Port and connector specifications

Feature Specification
Audio One microphone/stereo headphone/speakers connector
Video
•
Network adapter One RJ-45 connector
USB Two USB 3.0 with one PowerShare
Memory card reader Up to SD4.0
Micro Subscriber One
Identity Module
(uSIM) card
Docking port None
Express Card None
USIM External tray tied to WWAN hinge up
Operating: 0°C to 35°C (32°F to 95°F)
HDMI 1.4
NOTE: Cable docking is available.
Technical Specifications 41