Setup and Specifications

Table 20. Power adapter specifications
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)
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.
Display
Table 22. Display specifications
18 Specifications of Latitude 3520