Table 19. Battery specifications (continued)
Description
Option one
Option two
NOTE:
It is recommended that you
use a Dell coin-cell battery for your
computer. Dell does not provide
warranty coverage for problems
caused by using accessories, parts, or
components not supplied by Dell.
ExpressCharge
Supported
Supported
NOTE:
Dell recommends that you charge the battery regularly for optimal
power consumption. If your battery charge is completely depleted, connect
the power adapter, turn on your computer, and then restart your computer to
reduce the power consumption.
CAUTION:
Operating and storage temperature ranges may differ among
components, so operating or storing the device outside these ranges
may impact the performance of specific components.
Display
The following table lists the display specifications of your Latitude 5421.
Table 20. Display specifications
Description
Option one
Option two
Option three
Option four
Option five
Display type
High Definition (HD) Full High Definition
(FHD)
Full High Definition
(FHD), Super Low
Power (SLP),
ComfortView Plus
Full High
Definition (FHD)
Full High
Definition (FHD),
Privacy
Display-panel
technology
Twisted Nematic
(TN)
Wide-Viewing Angle
(WVA)
Wide-Viewing Angle
(WVA)
Wide-Viewing
Angle (WVA)
Wide-Viewing
Angle ( WVA)
Display-panel
dimensions (active
area):
Height
173.95 mm (6.84 in.) 173.99 mm (6.84 in.)
173.95 mm (6.85
in.)
173.95 mm (6.84
in.)
173.95 mm (6.84
in.)
Width
309.40 (12.18 in.)
309.35 (12.18 in.)
309.40 (12.18 in.)
309.40 (12.18 in.) 309.40 (12.18 in.)
Diagonal
355.60 mm (14 in.)
355.6 mm (14 in.)
355.6 mm (14 in.)
355.60 mm (14
in.)
355.60 mm (14
in.)
Display-panel native
resolution
1366 x 768
1920 x 1080
1920 x 1080
1920 x 1080
1920x1080
Luminance (typical)
220 nits
250 nits
400 nits
300 nits
300 nits
Megapixels
1.05
2.07
2.07
2.07
2.07
Color gamut
NTSC 45% typical
NTSC 45% typical
sRGB 100% typical
NTSC 72%
typical
sRGB 100%
Pixels Per Inch
(PPI)
112
157
157
157
157
Specifications of Latitude 5421
21
