Table 20. Battery specifications(continued)
Description Values
Express Charge Boost Charge Method (Fast Charge for
Initial 35%):
● 16 - 45°C target charge time from 0 to 35% RSOC is 20 mins
for Accelerated Charge
Coin-cell battery
No coin-cell. Supported by main battery
CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing
the device outside these ranges may impact the performance of specific components.
CAUTION: Dell Technologies recommends that you charge the battery regularly for optimal power
consumption. If your battery charge is depleted, connect the power adapter, turn on your computer, and then
restart your computer to reduce the power consumption.
Display
The following table lists the display specifications of your Precision 5490.
Table 21. Display specifications
Description Option one Option two
Display type
14-inch Full High Definition+ (FHD+) 14-inch Quad High Definition (QHD+)
Touch options
No Yes with active pen support
Display-panel technology
Wide-viewing angle (WVA) narrow bent,
TÜV low blue light
Wide-viewing angle (WVA), WLED, TÜV
low blue light
Display-panel dimensions (active area):
Height
188.49 mm (7.42 in.) 188.50 mm (7.42 in.)
Width
301.59 mm (11.87 in.) 301.59 mm (11.87 in.)
Diagonal
355.6 mm (14.00 in.) 355.6 mm (14.00 in.)
Display-panel native resolution
1920 x 1200 2560 x 1600
Luminance (typical)
500 nits 500 nits
Megapixels
2.30 4.09
Color gamut
100% sRGB 100% sRGB
Pixels Per Inch (PPI)
161 ppi 216 PPI
Contrast ratio (minimum)
1000:1 1000:1
Response time (maximum)
35 ms 35 ms
Refresh rate
60 Hz 60 Hz
Horizontal view angle
+/- 88 degrees +/- 88 degrees
Vertical view angle
+/- 88 degrees +/- 88 degrees
Specifications of Precision 5490 25
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