Table 19. Power adapter specifications(continued)
Description Option one Option two
Rated output voltage
● 20 VDC
● 15 VDC
● 9 VDC
● 5 VDC
● 20 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
The following table lists the battery specifications of your Precision 5490.
Table 20. Battery specifications
Description Values
Battery type
4-cell, 72 Wh, ExpressCharge Capable, Long Life Cycle
Battery voltage
15.40 VDC
Battery weight (maximum)
0.285 kg (0.63 lb)
Battery dimensions:
Height
8.25 mm (0.32 in.)
Width
255.20 mm (10.05 in.)
Depth
65.70 mm (2.59 in.)
Temperature range:
Operating
● Charge: 0°C to 50°C (32°F to 122°F)
● Discharge: 0°C to 70°C (32°F to 158°F)
Storage
–20°C to 60°C (-4°F to 140°F)
Battery operating time 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 - 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
24 Specifications of Precision 5490