Battery
The following table lists the battery specifications of your Precision 3490.
Table 20. Battery specifications
Description Option one Option two Option three Option four
Battery type
3 cell, 42
W
h, ExpressCharge,
ExpressCharge Boost
3 cell, 42 Wh,
Long Cycle Life,
ExpressCharge
3 cell, 54
Wh, ExpressCharge,
ExpressCharge Boost
3 cell, 54 Wh,
Long Cycle Life,
ExpessCharge
Battery voltage
11.40 VDC 11.40 VDC 11.40 VDC 11.40 VDC
Battery weight (minimum)
0.19 kg (0.41 lb) 0.19 kg (0.41 lb) 0.22 kg (0.48 lb) 0.22 kg (0.48 lb)
Battery dimensions:
Height
5.73 mm (0.22 in.) 5.73 mm (0.22 in.) 5.73 mm (0.22 in.) 5.73 mm (0.22 in.)
Width
263.00 mm (10.35 in.) 263.00 mm (10.35 in.) 263.00 mm (10.35 in.) 263.00 mm (10.35
in.)
Depth
68.90 mm (2.71 in.) 68.90 mm (2.71 in.) 68.90 mm (2.71 in.) 68.90 mm (2.71 in.)
Temperature range:
Operatin
g
● Charge: 0°C to
4
5°C (32°F to
113°F)
● Discharge: 0°C to
7
0°C (32°F to
158°F)
● Charge: 0°C to
4
5°C (32°F to
113°F)
● Discharge: 0°C to
7
0°C (32°F to
158°F)
● Charge: 0°C to
4
5°C (32°F to
113°F)
● Discharge: 0°C to
7
0°C (32°F to
158°F)
● Charge: 0°C to
4
5°C (32°F to
113°F)
● Discharge: 0°C to
7
0°C (32°F to
158°F)
Storage
-20°C to 65°C (-4°F
t
o 149°F)
-20°C to 65°C (-4°F
to 149°F)
-20°C to 65°C (-4°F
to 149°F)
-20°C to 65°C
(-4°F to 149°F)
Battery operating time Varies depending
o
n operating
conditions and can
significantly reduce
under certain power-
intensive conditions.
Varies depending
on operating
conditions and can
significantly reduce
under certain power-
intensive conditions.
Varies depending
on operating
conditions and can
significantly reduce
under certain power-
intensive conditions.
Varies depending
on operating
conditions and can
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°C to
15°C maximum
allowable charge
time from 0% to
100% RSOC is 4
hours.
● 16°C to 45°C
n
ormal express
charge.
● 46°C to
5
0°C maximum
allowable charge
time from 0% to
100% RSOC is 3
hours.
Standard Charge/
Predominately AC
Express Charge
Method:
● 0°C to 15°C
m
aximum allowable
charge time from
0% to 100% RSOC
is 4 hours.
● 16°C to 45°C
n
ormal express
charge.
● 46°C to 50°C
m
aximum allowable
charge time from
0% to 100% RSOC
is 3 hours.
Standard Charge/
Predominately AC
User Charge
Method:
Express Charge
Method:
● 0°C to
1
5°C maximum
allowable charge
time from 0% to
100% RSOC is 4
hours.
● 16°C to 45°C
n
ormal express
charge.
● 46°C to
5
0°C maximum
allowable charge
time from 0% to
100% RSOC is 3
hours.
Standard Charge/
Predominately AC
Express Charge
Method:
● 0°C to
1
5°C maximum
allowable charge
time from 0% to
100% RSOC is 4
hours.
● 16°C to 45°C
n
ormal express
charge.
● 46°C to
5
0°C maximum
allowable charge
time from 0% to
100% RSOC is 3
hours.
Standard Charge/
Predominately AC
22 Specifications of Precision 3490
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