Battery
Table 17. Battery specifications
Description
Values
Type
3-cell lithium-ion 56 WHr
6-cell lithium-ion 86 WHr
Voltage
11.4 VDC
11.4 VDC
Weight (maximum)
0.255 kg
0.340 kg
Dimensions:
Height
7.56 mm
7.56 mm
Width
77.7 mm
77.7 mm
Depth
295.2 mm
295.2 mm
Temperature range:
Operating
Charge: 0 °C to 45 °C (32 °F to 113 °F)
Discharge:0 °C to 60 °C (32 °F to 149 °F)
Charge: 0 °C to 45 °C (32 °F to 113 °F)
Discharge:0 °C to 60 °C (32 °F to 149 °F)
Storage
–20 °C to 60 °C (4 °F to 149 °F)
–20 °C to 60 °C (4 °F to 149 °F)
Operating time
Varies depending on operating conditions
and can significantly reduce under certain
power-intensive conditions.
Varies depending on operating conditions
and can significantly reduce under certain
power-intensive conditions.
Charging time (approximate)
2 hr ( Express charge ), 3 hr ( Standard
charge) (when the computer is off)
NOTE:
Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
application. For more information on
the Dell Power Manager see
2 hr ( Express charge ), 3 hr ( Standard
charge) (when the computer is off)
NOTE:
Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
application. For more information
on the Dell Power Manager see
Life span (approximate)
300 discharge/charge cycles
300 discharge/charge cycles
Coin-cell battery
Not supported
Not supported
Operating time
Varies depending on operating conditions
and can significantly reduce under certain
power-intensive conditions.
Varies depending on operating conditions
and can significantly reduce under certain
power-intensive conditions.
Display
Table 18. Display specifications
Description
Values
Type
Full High Definition (FHD), Non-touch
Ultra High Definition (UHD), touch
Panel technology
Wide Viewing Angle (WVA)
Wide Viewing Angle (WVA)
Luminance (typical)
500 Nits
500 Nits
Dimensions (Active area):
Specifications of Precision 5550
15