Dell Latitude 7280 Owner's Manual page 40

Feature Specification
Width 95.9 mm (3.78 inches)
Height 5.7 mm (0.22 inch)
Weight 185.0 g (0.41 lb)
Voltage 11.4 VDC
4–cell:
Length 238 mm (9.37 inches)
Width 95.9 mm (3.78 inch)
Height 5.7 mm (0.22 inch)
Weight 270 g (0.6 lb)
Voltage 7.6 VDC
Life span 300 discharge per charge cycles
Temperature range
Operating
•
•
Non-operating - 20°C to 65°C (- 4°F to 149°F)
Coin cell battery 3 V CR2032 lithium coin cell
Feature Specification
Type
•
•
3–cell:
Depth 105.9 mm (4.17 inches)
Height 6.1 mm (0.24 inch)
Width 181.00 mm (7.13 inches)
Weight 195.0 g (0.43 lb)
Voltage 11.10 VDC
4–cell:
Depth 105.9 mm (4.17 inches)
Height 6.1 mm (0.24 inch)
Width 238.00 mm (9.37 inches)
Weight 300.00 g (0.66 lb)
Voltage 7.40 VDC
Life span 300 discharge per charge cycles
Temperature range
Operating
•
•
40 Technical Specifications
Charge: 0°C to 50°C (32°F to 158°F)
Discharge: 0°C to 70°C (32°F to 122°F)
3-cell Lithium Prismatic battery with ExpressCharge
4-cell Lithium Prismaticbattery with ExpressCharge
Charge: 0°C to 50°C (32°F to 158°F)
Discharge: 0°C to 70°C (32°F to 122°F)