Ac Adapter Specifications; Touchpad Specifications - Dell Latitude 7390 Owner's Manual

Feature Specification
Width 95.9 mm (3.78 inch)
Height 5.7 mm (0.22 inch)
Weight 270 g (0.6 lb)
Voltage 7.6 VDC
Life span 300 discharge per charge cycles
Temperature
range
Operating ● Charge: 0°C to 50°C (32°F to 158°F)
● Discharge: 0°C to 70°C (32°F to 122°F)
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 7.4 mm Barrel Type 65 W or 90 W (65W E5 for India)
Input voltage 100 V AC to 240 V AC
Input current— 1.7 A / 1.6 A
maximum
Input frequency 50 Hz to 60 Hz
Output current 3.34 A (continuous) and 4.62 A (continuous)
Rated output 19.5 V DC
voltage
Weight 0.23 kg, 0.51 lbs (65W) and 0.32 kg, 0.77 lbs (90W)
Dimensions 22 x 66 x 106 mm (65 W) and 22 x 66 x 130 (90 W) or 0.87 x 2.60 x 4.17 inches (65 W) and 0.87 x 2.60 x
5.12 inches (90 W)
Temperature 0°C to 40°C (32°F to 104°F)
range—
Operating
Temperature –40°C to 70°C (–40°F to 158°F)
range—Non-
Operating

Touchpad specifications

Feature Specification
Active Area: Sensor-active area
X-axis 101.7mm (4.0 inch)
Y-axis 52mm (2.04 inch)
X/Y position X: 1048cpi; Y:984cpi
resolution
Multi-touch Configurable single finger and multi-finger gestures
NOTE: The system is shipped with 65 W adapter and also supports 90 W adapter for fast charging.
System specifications 55