Dell Latitude E5540 Dell Owners Manual - Page 59
Feature, Specification, Latitude E5440, 40 °C to 85 °C -40 °F to 185 °F - weight
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Feature Height 4-, 6-, and 9-cell Width 4- and 6-cell 9-cell Depth 4- and 6-cell 9-cell Weight 4-cell 6-cell 9-cell Voltage 4-cell 6- and 9-cell Temperature range: Operating Non-Operating Coin-cell battery Specification 20.00 mm (0.79 inch) 208.00 mm (8.18 inches) 214.00 mm (8.43 inches) 48.08 mm (1.89 inches) 71.79 mm (2.83 inches) 240.00 g (0.53 lb) 344.73 g (0.76 lb) 508.20 g (1.12 lb) 14.8 VDC 11.1 VDC 0 °C to 50 °C (32 °F to 122 °F) -40 °C to 85 °C (-40 °F to 185 °F) NOTE: The battery pack is capable of safely withstanding the above storage temperatures with 100% charge. NOTE: The battery pack is also capable of withstanding storage temperatures from -20 °C to +60 °C with no degradation in its performance. 3 V CR2032 lithium coin cell Table 26. AC Adapter Feature Type Input voltage Input current (maximum) Input frequency Output power Output current Latitude E5440 65 W 100 VAC to 240 VAC 1.7 A 50 Hz to 60 Hz 65 W 3.34 A (continuous) Latitude E5540 90 W adapter 100 VAC to 240 VAC 1.5 A 50 Hz to 60 Hz 90 W 4.62 A (continuous) 59