Table 16. Power adapter specifications (continued)
Description
Values
Depth
112 mm (4.40 in.)
Input voltage
100 VAC–240 VAC
Input frequency
50 Hz–60 Hz
Input current (maximum)
1.70 A
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)
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 Inspiron 14 7420 2-in-1.
Table 17. Battery specifications
Description
Option one
Option two
Battery type
41 Wh, 3-cell polymer
54 Wh, 4-cell polymer
Battery voltage
11.25 VDC
15 VDC
Battery weight (maximum)
0.17 kg (0.37 lb)
0.23 kg (0.51 lb)
Battery dimensions:
Height
5.75 mm (0.23 in.)
5.75 mm (0.23 in.)
Width
206.40 mm (8.12 in.)
271.9 mm (10.70 in.)
Depth
82 mm (3.23 in.)
82 mm (3.23 in.)
Temperature range:
Operating
0°C to 50°C (32°F to 122°F)
0°C to 50°C (32°F to 122°F)
Storage
-20°C to 60°C (-4°F to 140°F)
-20°C to 60°C (-4°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)
NOTE:
Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
4 hours (when the computer is off)
4 hours (when the computer is off)
18
Specifications of Inspiron 14 7420 2-in-1
