Table 20. Battery specifications (continued)
Description
Battery operating
Varies depending on operating
time
conditions and can significantly
reduce under certain power-
intensive conditions.
Battery
From 0% up to 35% in
charging time
20 minutes (ExpressCharge
(approximate)
Boost), 2 hr ( Express charge ),
3 hr (Standard charge) (when
the computer is off)
NOTE:
charging time, duration,
start and end time, and so
on using the Dell Power
Manager application. For
more information on the
Dell Power Manager see, on
www.dell.com/
Life span
1 year
(approximate)
Coin-cell battery
CR-2032
Display
The following table lists the display specifications of your Latitude 5420.
Table 21. Display specifications
Description
Option one
Display type
High Definition (HD) Full High Definition
Display-panel
Twisted Nematic
technology
(TN)
Display-panel
dimensions (active
area):
Height
173.95 mm
Width
309.4 mm
Diagonal
355.6 mm
Display-panel native
1366 x 768
resolution
20
Specifications of Latitude 5420
Varies depending on
operating conditions
and can significantly
reduce under
certain power-intensive
conditions.
From 0% up to
35% in 20 minutes
(ExpressCharge Boost),
2 hr ( Express charge ),
3 hr (Standard charge)
(when the computer is
Control the
off)
1 year
CR-2032
Option two
(FHD)
Wide Viewing Angle
(WVA)
173.95 mm
309.4 mm
355.6 mm
1920 x 1080
Values
Varies depending on
operating conditions
and can significantly
reduce under certain
power-intensive
conditions.
2 hr ( Express
charge ), 3 hr
(Standard charge)
(when the computer
is off).
NOTE:
Control
the charging time,
duration, start and
end time, and
so on using the
Dell Power Manager
application. For
more information
on the Dell Power
Manager see, on
www.dell.com/
3 years
CR-2032
Option three
Full High Definition
(FHD)
Wide Viewing Angle
(WVA),Low Blue
Light (LBL)
173.95 mm
309.4 mm
355.6 mm
1920 x 1080
Varies depending on
operating conditions and
can significantly reduce
under certain power-
intensive conditions.
2 hr ( Express charge ),
3 hr (Standard charge)
(when the computer is
off).
NOTE:
NOTE:
Control
the charging time,
the charging
duration, start and
time, duration,
end time, and so on
start and end
using the Dell Power
time, and so on
Manager application.
using the Dell
For more information
Power Manager
on the Dell Power
application. For
Manager see, on
more
www.dell.com/
information on
the Dell Power
Manager see, on
www.dell.com/
3 years
CR-2032
Option four
Full High
Definition (FHD)
Wide Viewing
Angle (WVA)
173.95 mm
309.4 mm
355.6 mm
1920 x 1080
Control
Option five
Full High
Definition (FHD
Wide viewing
angle (WVA)
173.95 mm
309.4 mm
355.6 mm
1920 x 1080
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