Dell Vostro 3490 - Battery Replacement Procedures

Touchpad
Table 16. Touchpad specifications
Feature Specifications
Resolution 3215x1956
Dimensions
● Width: 4.13 inch (105 mm)
● Height: 2.56 inch (65 mm)
Multi-touch Supports four fingers
Fingerprint reader—optional
Table 17. Fingerprint reader specifications
Feature Specifications
Sensor technology Capacitive
Sensor resolution 500 DPI
Sensor area 5.5 mm x 4.4 mm (0.22 inches x 0.17 inches)
Sensor pixel size 108 x 88
Operating system
Table 18. Operating system
Feature Specifications
Operating systems supported
● Windows 10 Home (64 bit)
● Windows 10 Professional (64 bit)
● Ubuntu 18.04 LTS 64-bit
Battery
Table 19. Battery specifications
Feature Specifications
Type 3-cell Primatic/Polymer battery 33 WHr
3-cell Primatic/Polymer battery 42 WHr
Dimension Width
Depth
Height
175.37 mm (6.9 in)
90.73 mm (3.57 in)
5.9 mm (0.24 in)
Weight (maximum)
0.2 kg (0.44 lb )
Voltage
11.4 VDC
Life span
300 discharge / charge cycles
System specifications 15