Dell Inspiron 14 7420 2-in-1 Настройка и технические характеристики - Страница 21
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Table 17. Battery specifications (continued)
Description
Temperature range:
Battery operating time
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.
Coin-cell battery
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.
Display
The following table lists the display specifications of your Latitude 7420.
Table 18. Display specifications
Description
Type
14-inch. Full
High Definition
(FHD)
Panel
Wide Viewing
technology
Angle (WVA)
Luminance
250 nits
(typical)
Dimensions
(Active Area):
Height
173.95 mm
(6.85 in.)
Option one
Depth
238 mm (9.37 in.)
Operating
● Charging: 0°C to 45°C (32°F to
113°F)
● Discharging: 0°C to 65°C (32°F to
149°F)
Storage
–20°C to 60°C (4°F to 140°F)
Varies depending on operating
conditions and can significantly
reduce under certain power-intensive
conditions.
● ExpressCharge Boost (0% up to
35%): 20 minutes
● ExpressCharge: 2 hours
● Standard charge: 3 hours
NOTE:
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/
Main battery reserves 2% of capacity
for RTC function.
14-inch. Full
High Definition
(FHD)
WVA
400 nits
173.95 mm
(6.85 in.)
Control the charging time,
Values
14-inch. Full
14-inch. Full
High Definition
High Definition
(FHD)
(FHD)
WVA
WVA
300 nits
300 nits
173.95 mm
173.95 mm
(6.85 in.)
(6.85 in.)
Option two
238 mm (9.37 in.)
● Charging: 0°C to 45°C (32°F to
113°F)
● Discharging: 0°C to 65°C (32°F to
149°F)
–20°C to 65°C (4°F to 149°F)
Varies depending on operating conditions
and can significantly reduce under certain
power-intensive conditions.
● ExpressCharge Boost (0% up to 35%):
20 minutes
● ExpressCharge: 2 hours
● Standard charge: 3 hours
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/
Main battery reserves 2% of capacity for
RTC function.
14-inch. Ultra
High Definition
(UHD)
WVA
400 nits
173.95 mm
(6.85 in.)
Specifications of Latitude 7420
14-inch. Full
High Definition
(FHD) for 2-in-1
WVA
300 nits
173.95 mm
(6.85 in.)
21