Table 20. Power adapter specifications (continued)
Description
Option one
Option two
Rated output voltage
19.50 VDC
20 VDC/15 VDC/9 VDC/5 VDC
Temperature range:
Operating
0°C to 40°C (32°F to 104°F)
0°C to 40°C (32°F to 104°F)
Storage
-40°C to 70°C (-40°F to 158°F)
-40°C to 70°C (-40°F to 158°F)
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.
Battery
Table 21. Battery specifications
Description
Values
Type
3-cell, 41 Whr
4-cell, 54 Whr
Voltage
11.25 VDC
15 VDC
Weight (maximum)
0.17 kg (0.37 lb)
0.23 kg (0.50 lb)
Dimensions:
Height
206.40 mm (8.12 in.)
271.90 mm (10.70 in.)
Width
82 mm (3.22 in.)
82 mm (3.22 in.)
Depth
5.75 mm (0.23 in.)
5.75 mm (0.23 in.)
Temperature range:
Operating
0°C to 35°C (32°F to 95°F)
0°C to 35°C (32°F to 95°F)
Storage
-40°C to 65°C (-40°F to 149°F)
-40°C to 65°C (-40°F to 149°F)
Operating time
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.
Charging time (approximate)
4 hours (when the computer is off)
NOTE:
Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
application.
4 hours (when the computer is off)
NOTE:
Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
application.
Life span (approximate)
300 discharge/charge cycles
300 discharge/charge cycles
Coin-cell battery
CR2032
CR2032
Operating time
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.
18
Specifications of Latitude 3520