Dell NOT22169 - Display

Table 17. Battery specifications(continued)
Description Option one Option two Option three Option four
reduce under
certain power-intensive
conditions.
under certain power-
intensive conditions.
significantly reduce
under certain power-
intensive conditions.
significantly reduce
under certain power-
intensive conditions.
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.
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
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
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
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
Coin-cell battery
Supported Supported
Supported Supported
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 18. Display specifications
Description Option one Option two Option three Option four Option five
Display type
Full High Definition
Plus (FHD+)
Full High Definition
Plus (FHD+)
Full High Definition
Plus (FHD+) light
weight
Quad High
Definition Plus
(QHD+)
Full High
Definition Plus
(FHD+) 2-in-1
24 Specifications of Latitude 7440
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