Table 16. Battery specifications (continued)
Description Option one Option two
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 on
the Dell Power Manager see, Me and
My Dell on www.dell.com.
● 0°C to 15°C: 4 hours
● 16°C to 50°C: 3 hours
● 0°C to 15°C: 4 hours
● 16°C to 50°C: 3 hours
Coin-cell battery
Not applicable Not applicable
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.
CAUTION: Dell recommends that you charge the battery regularly for optimal power consumption. If your
battery charge is completely depleted, connect the power adapter, turn on your computer, and then restart
your computer to reduce the power consumption.
Display
The following table lists the display specifications of your Inspiron 14 Plus 7420.
Table 17. Display specifications
Description Values
Display type
2.2K, ComfortView Plus
Display-panel technology
Wide Viewing Angle (WVA)
Display-panel dimensions (active area):
Height
301.59 mm (11.87 in.)
Width
188.50 mm (7.42 in.)
Diagonal
355.65 mm (14 in.)
Display-panel native resolution
2240 x 1400
Luminance (typical)
300 nits
Megapixels
3 Megapixels
Color gamut
100% sRGB (typical)
Pixels Per Inch (PPI)
189
Contrast ratio (min)
1000:1
Response time (max)
35 ms
Refresh rate
60 Hz
Horizontal view angle
+/- 85 degrees
Vertical view angle
+/- 85 degrees
Specifications of Inspiron 14 Plus 7420 17
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