Touchpad
Table 16. Touchpad specifications
Description
Values
Resolution:
Horizontal
1229
Vertical
749
Dimensions:
Horizontal
105 mm (4.13 in.)
Vertical
65 mm (2.56 in.)
Touchpad gestures
Power adapter
Table 17. Power adapter specifications
Description
Values
Type
45 W
65 W
Diameter (connector)
4.5 mm x 2.9 mm
4.5 mm x 2.9 mm
Input voltage
100 VAC–240 VAC
100 VAC–240 VAC
Input frequency
50 Hz–60 Hz
50 Hz–60 Hz
Input current (maximum)
1.30 A
1.60 A
Output current (continuous)
2.31 A
3.34 A
Rated output voltage
19.50 VDC
19.50 VDC
Temperature range:
Operating
0°C to 40°C (32°F to 104°F)
0°C to 40°C (32°F to 104°F)
Storage
-40°C to 70°C (-40°F to 158°F)
-40°C to 70°C (-40°F to 158°F)
Battery
Table 18. Battery specifications
Description
Values
Type
3-cell "smart" lithium-ion (51 WHr)
Voltage
11.40 VDC
16
Specifications of Inspiron 5490