Battery
The following table lists the battery specifications of your Latitude 3440.
Table 18. Battery specifications
Description
Battery type
Battery voltage
Battery weight
(maximum)
Battery dimensions:
Height
Width
Depth
Temperature range:
Operatin
g
Storage
Battery operating time
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
on the Dell Power
Manager see, Me
and My Dell on
www.dell.com.
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.
Option one
3-cell, 42 Wh, Lithium-
ion, ExpressCharge
11.4 V
0.19 kg
5.73 mm
263 mm
79.42 mm
0°C to 45°C (32°F to
113°F)
-20°C to 60°C (-4°F
to 140°F)
Varies depending on
operating conditions
and can significantly
reduce under
certain power-intensive
conditions.
● 0~15°C—4 hours
(when the computer
is off)
● 16~45°C—2 hours
(when the computer
is off)
● 46~50°C—3
hours(when the
computer is off)
CR2032
Option two
3-cell, 54 Wh, Lithium-ion,
ExpressCharge
11.4 V
0.22 kg
5.73 mm
263 mm
79.42 mm
0°C to 45°C (32°F to
113°F)
-20°C to 60°C (-4°F to
140°F)
Varies depending on
operating conditions and
can significantly reduce
under certain power-
intensive conditions.
● 0~15°C—4 hours
(when the computer is
off)
● 16~45°C—2 hours
(when the computer is
off)
● 46~50°C—3
hours(when the
computer is off)
CR2032
Option three
Option four
3-cell, 42 Wh,
3-cell, 54 Wh,
Long Life Cycle,
Long Life Cycle,
ExpressCharge 1.0
ExpressCharge 1.0
11.4 V
11.4 V
0.19 kg
0.22 kg
5.73 mm
5.73 mm
263 mm
263 mm
79.42 mm
79.42 mm
0°C to 45°C (32°F
0°C to 45°C (32°F
to 113°F)
to 113°F)
-20°C to 60°C
-20°C to 60°C
(-4°F to 140°F)
(-4°F to 140°F)
Varies depending
Varies depending
on operating
on operating
conditions and can
conditions and can
significantly reduce
significantly reduce
under certain power-
under certain power-
intensive conditions.
intensive conditions.
● 0~15°C—4 hours
● 0~15°C—4 hours
(when the
computer is off)
● 16~45°C—2
● 16~45°C—2
hours (when the
computer is off)
● 46~50°C—3
● 46~50°C—3
hours(when the
computer is off)
CR2032
CR2032
Specifications of Latitude 3440
(when the
computer is off)
hours (when the
computer is off)
hours(when the
computer is off)
19
Imprimir página