Description Values
Output current (continuous)
• 3.25 A
• 3 A
Rated output voltage
• 20 VDC
• 15 VDC
• 9 VDC
• 5 VDC
Temperature range:
Operating
0°C to 40°C (32°F to 104°F)
Storage
–40°C to 70°C (–40°F to 158°F)
Battery
Table 18. Battery specifications
Description Values
Type
4-cell "smart" lithium-ion (52 WHr)
Voltage
7.60 VDC
Weight (maximum)
0.22 kg (0.49 lb)
Dimensions:
Height
4.30 mm (0.17 in.)
Width
257.60 mm (10.14 in.)
Depth
97.04 mm (3.82 in.)
Temperature range:
Operating
0°C to 35°C (32°F to 95°F)
Storage
-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.
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. For more information on the Dell Power
Manager see,
Me and My Dell
on www.dell.com/
Life span (approximate) 300 discharge/charge cycles
Coin-cell battery
CR2032
Operating time Varies depending on operating conditions and can significantly
reduce under certain power-intensive conditions.
18 Specifications of Inspiron 7490
To Next Page
Loading...
