Display - Dell Latitude 7440 Setup And Specifications

Table 16. Battery specifications (continued)
Description
Battery charging time
(approximate)
NOTE: Control
the charging time,
duration, start and
end time, and so on
using the Dell Power
Manager application.
For more information
about Dell Power
Manager, search
in the Knowledge
Base Resource
at www.dell.com/
support.
Coin-cell battery
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.
CAUTION: 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.

Display

The following table lists the display specifications of your Latitude 7440.
Table 17. Display specifications
Description Option one
Display type
Full High Definition
(FHD)
Display-panel
Wide Viewing Angle
technology
(WVA)
22 Specifications of Latitude 7440
Option one
Express Charge
Method:
● 0 - 15°C maximum
allowable charge
time from 0 to 100%
RSOC is 4 hours
● 16 - 45°C normal
express charge
● 46 - 50°C maximum
allowable charge
time from 0 to 100%
RSOC is 3 hours
Standard Charge/
Predominately AC
User Charge Method:
● 0 - 15°C maximum
allowable charge
time from 0 to 100%
RSOC is 4 hours
● 16 - 50°C maximum
allowable charge
time from 0 to 100%
RSOC is 3 hours
Express Charge Boost
Charge Method (Fast
Charge for Initial
35%):
● 16 - 45°C target
charge time from 0
to 35% RSOC is 20
mins for Accelerated
Charge
Supported
Option two
Full High Definition
(FHD)
Wide Viewing Angle
(WVA)
Option two
Express Charge
Method:
● 0 - 15°C maximum
allowable charge time
from 0 to 100% RSOC
is 4 hours
● 16 - 45°C normal
express charge
● 46 - 50°C maximum
allowable charge time
from 0 to 100% RSOC
is 3 hours
Standard Charge/
Predominately AC User
Charge Method:
● 0 - 15°C maximum
allowable charge time
from 0 to 100% RSOC
is 4 hours
● 16 - 50°C maximum
allowable charge time
from 0 to 100% RSOC
is 3 hours
Express Charge Boost
Charge Method (Fast
Charge for Initial 35%):
● 16 - 45°C target
charge time from 0 to
35% RSOC is 20 mins
for Accelerated Charge
Supported
Option three
Full High Definition
(FHD) light weight
Wide Viewing Angle
(WVA)
Option three Option four
Express Charge Express Charge
Method: Method:
● 0 - ● 0 -
15°C maximum
allowable charge
time from 0 to
100% RSOC is 4
hours
● 16 - 45°C normal ● 16 - 45°C normal
express charge
● 46 - ● 46 -
50°C maximum
allowable charge
time from 0 to
100% RSOC is 3
hours
Standard Charge/ Standard Charge/
Predominately AC Predominately AC
User Charge User Charge
Method: Method:
● 0 - ● 0 -
15°C maximum
allowable charge
time from 0 to
100% RSOC is 4
hours
● 16 - ● 16 -
50°C maximum
allowable charge
time from 0 to
100% RSOC is 3
hours
Supported Supported
Option four
Quad High
Definition (QHD)
Wide Viewing
Angle (WVA)
15°C maximum
allowable charge
time from 0 to
100% RSOC is 4
hours
express charge
50°C maximum
allowable charge
time from 0 to
100% RSOC is 3
hours
15°C maximum
allowable charge
time from 0 to
100% RSOC is 4
hours
50°C maximum
allowable charge
time from 0 to
100% RSOC is 3
hours
Option five
Full High
Definition (FHD)
2-in-1
Wide-viewing
angle (WVA)