Dell Latitude 7490 7390 7490 Technical Guidebook - Page 52

Feature Megapixels Pixels per Inch (PPI) Contrast Ratio (min) Response Time (max) Refresh Rate Horizontal View Angle (min) Vertical View Angle (min) Pixel Pitch Power Consumption (maximum) Monitor support Specification 2.07 157 600:1 35 msec black to white 60 Hz +/- 80 degrees +/- 80 degrees 0.161 x 0.161 mm 4.1 W Table 61. Monitor support Docked Maximum Number of Displays=3 Two external monitors + LCD Dell Dock Maximum Number of Displays=3 Three from system and dock ports • LCD (HD/FHD) supported with Universal cable • VGA max. 1920*1200 @ 60Hz • DVI max. 1920*1200@60Hz • VGA • DisplayPort (max. 3840*2160 @ 30Hz) • HDMI 1.4 (max. 3840*2160 @ 30Hz) supported with Universal cable • DP max. 3840*2160 @ 60Hz • USb Type-C (max. 3840*2160 @ 60Hz) Dell Thunderbolt Dock Maximum Number of Displays=3 Three from system and dock ports • VGA • DisplayPort • mini DipslayPort • HDMI 1.4 (max. 3840*2160 @ 30Hz) supported with Universal cable • USB Type-C (max. 3840*2160 @ 60Hz) Battery specifications This topics lists out the detailed battery specifications. Battery is a FRU and is beneath the back cover. Table 62. Battery specifications Battery Type System Compatibility Dimension: Length Width Height Weight Voltage Typical Amp-hour capacity Typical Watt-hour capacity 42 WHr ExpressCharge Capable (3-cell) (prismatic) Li-ion 12/14 U UMA 60 WHr ExpressCharge Capable (4-cell) (polymer) Li-ion 12/14 U UMA 60 WHr Long Life Cycle battery (4cell) (polymer) Li-ion 12/14 U UMA 200.5mm (7.89 inch) 95.9mm ( 3.78 inch) 5.70mm ( 0.22 inch) 185.00 g (0.41lb) 11.4VDC 3.68Ahr 42Whr 238mm (9.37 inch) 95.9mm ( 3.78 inch) 5.70mm ( 0.22 inch) 270.00 g (0.6lb) 7.6VDC 7.89Ahr 60Whr 238mm (9.37 inch) 95.9mm ( 3.78 inch) 5.70mm ( 0.22 inch) 270.00 g (0.6lb) 7.6VDC 7.89Ahr 60Whr 52 Engineering specifications