Table 17. Battery specifications (continued)
Description
Option one
Option two
Battery voltage
7.60 VDC
11.40 VDC
Battery weight (maximum)
0.22 kg (0.49 lb)
0.34 kg (0.75 lb)
Battery dimensions:
Height
257.60 mm (10.14 in.)
301.67 mm (11.88 in.)
Width
98.60 mm (3.88 in.)
111.36 mm (4.38 in.)
Depth
4.30 mm (0.17 in.)
7.10 mm (0.28 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)
Battery 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.
Battery 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
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
Coin-cell battery
CR2032
CR2032
Display
The following table lists the display specifications of your Inspiron 7400.
Table 18. Display specifications
Description
Values
Display type
Quality High Definition Plus (QHD+)
Display-panel technology
Wide-Viewing Angle (WVA)
Display-panel dimensions (active area):
Height
195.12 mm (7.68 in.)
Width
312.19 mm (12.29 in.)
Diagonal
368.45 mm (14.50 in.)
Display-panel native resolution
2560 x 1600
Luminance (typical)
300 nits
Megapixels
4.096
18
Specifications of Inspiron 7400
