Dell Latitude E7440 Series, Owner'S Manual

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Feature Specification
Latitude 7240
Latitude 7440
Y-axis 60.8 mm 47 mm
Table 27. Battery
Feature Specification
Type
• 3-cell “smart” Lithium ion
• 4cell “smart” Lithium ion
Dimensions: Latitude 7240 Latitude 7440
3–cell/4–cell
Depth 80.75 mm (3.18 inches) 74.75 mm (2.94 inches)
Height 7.20 mm (0.28 inch) 8.00 mm (0.31 inch)
Width 282.00 mm (11.10 inches) 308.50 mm (12.15 inches)
Weight:
3-cell 250.00 g (0.55 lb) 247.00 g (0.54 lb)
4–cell 300.00 g (0.66 lb) 308.00 g (0.68 lb)
Voltage
3-cell 11.10 VDC
4–cell 7.40 VDC
Temperature range:
Operating
Charge: 0 °C to 50 °C (32 °F to 158 °F)
Discharge: 0 °C to 70 °C ( 32 °F to 122 °F)
Non-Operating –20 °C to 65 °C (4 °F to 149 °F)
Coin-cell battery 3 V CR2032 lithium coin cell
Table 28. AC Adapter
Feature Specification
Type 65 W and 90 W
Input voltage 100 VAC to 240 VAC
Input current (maximum) 1.50 A
Input frequency 50 Hz to 60 Hz
Output power 65 W
Output current 3.34 A (continuous)
Rated output voltage 19.5 VDC
Weight 0.51 lb (0.23 kg)
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