Table 20. Battery specifications(continued)
Description Values
Width
294.90 mm (11.31 in.)
Depth
77.50 mm (3.05 in.)
Temperature range:
Operating
● Charge: 0°C to 45°C, 32°F to 113°F
● Discharge: 0°C to 70°C, 32°F to 158°F
Storage
-20°C to 60°C (-4°F to 140°F)
Battery operating time Varies depending on operating conditions and can significantly
reduce under certain power-intensive conditions.
Battery charging time (approximate)
NOTE: Control the charging time, duration, start and
end time, and so on, using the Dell Power Manager
application. For more information about Dell Power
Manager, search in the Knowledge Base Resource at
www.dell.com/support.
● 2 hours (ExpressCharge)
● 3 hours (standard charge)
Coin-cell battery
Not supported
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 Inspiron 16 Plus 7640.
Table 21.
Display specifications
Description Values
Display type
16-inch, 2.5K with Dolby Vision
Touch options
Not supported
Display-panel technology
Wide-viewing angle (WVA)
Display-panel dimensions (active area):
Height
344.68 mm (13.57 in.)
Width
215.42 mm (8.48 in.)
Diagonal
406.46 mm (16 in.)
Display-panel native resolution
2560 x 1600
Luminance (typical)
300 nits
Megapixels
4.09
22 Specifications of Inspiron 16 Plus 7640
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