Dell Latitude E6540 Owner's Manual page 72

Feature
Y-axis
Table 28. Battery
Feature
Type
Dimensions:
Depth
Height
Width
Weight
Voltage
Temperature range:
Operating
Non-Operating
Coin-cell battery
Table 29. AC Adapter
Feature
Type
Input voltage
Input current (maximum)
Input frequency
Output current
Rated output voltage
Temperature range:
Operating
Non-Operating
Table 30. Physical
Feature
Height
Width
Depth
72
Specification
45.00 mm
Specification
6 cell (65 whr) lithium ion
48.08 mm (1.89 inches)
20.00 mm (0.79 inches)
208.00 mm (8.19 inches)
345.00 g (0.76 lb)
11.1 VDC
0 °C to 50 °C (32 °F to 158 °F)
-20 °C to 65 °C (4 °F to 149 °F)
3 V CR2032 lithium coin cell
Specification
65 W, 90 W and 130 W
100 VAC to 240 VAC
2.5A
50 Hz to 60 Hz
3.34A, 4.62A and 6.7A
19.5 +/– 1.0 VDC
0 °C to 40 °C (32 °F to 104 °F)
–40 °C to 70 °C (–40 °F to 158 °F)
Specification
33.40 mm (1.31 inches)
379.00 mm (14.92 inches)
250.50 mm (9.86 inches)
9cell (97 whr) lithium ion
71.79 mm (2.83 inches)
20.00 mm (0.79 inches)
214.00 mm (8.43 inches)
524.00 g (1.16 lb)