Dell Inspiron 7400 Configuration et spécifications - Page 17
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Table 18. Battery specifications(continued)
Weight (maximum)
Voltage
Life span
Charging time when the computer is off (approximate)
Operating time
Temperature range: Operating
Temperature range: Storage
Coin-cell battery
†
NOTE:
For batteries with the ExpressCharge feature, the battery will typically have at least an 80% charge after about
an hour of charging with the system off, and fully charged in about 2 hours with the system off.
Enabling ExpressCharge requires that both the computer and the battery used be ExpressCharge capable. If these
requirements are not met, ExpressCharge will not be enabled.
Power adapter
Table 19. Power adapter specifications
Feature
Type
Input Voltage
Input current (maximum)
Input frequency
•
Width: 95.9 mm (3.78 in)
•
Length: 238 mm (9.37 in)
•
Height: 5.7 mm (0.22 in)
•
Polymer 3-cell 42 WHr: 192.5 g (0.42 lb)
•
Polymer 4-cell and LCL: 270 g (0.60 lb)
11.4 VDC
•
Polymer 3-cell 42 WHr and 4-cell 60 WHr (Standard Pack):
300 discharge / charge cycles
•
Polymer 4-cell 60 WHr (LCL): 1000 discharge / charge cycles
•
Standard Charge: 0°C to 50°C : 4 hours
†
•
Express Charge
:
○ 0°C to 15°C : 4 hours
○ 16°C to 45°C : 2 hours
○ 46°C to 50°C : 3 hours
Varies depending on operating conditions and can significantly
reduce under certain power-intensive conditions
•
Charging: 0°C to 50°C (32°F to 122°F)
•
Discharging : 0°C to 70°C (32°F to 158°F)
-20°C to 60°C (-4°F to 140°F)
CR 2032
Specifications
•
E5 65 W 7.4 mm Barrel Adapter
•
E5 65 W BFR/PVC Halogen Free adapter, 7.4 mm barrel
•
E5 65 W Rugged Adapter 7.4 mm barrel (India only)
•
E5 90 W 7.4 mm Barrel Adapter
•
65 W adapter, Type-C
•
90 W adapter, Type-C
100 VAC - 240 VAC
•
1.7 A for 65 W
•
2.5 A for 90 W
50 Hz to 60 Hz
Technical specifications
17