Table 18. Touchpad specifications (continued)
Description Values
● Windows, see the Microsoft knowledge base article at
support.microsoft.com
● Ubuntu, see ubuntu.com/support
Power adapter
The following table lists the power adapter specifications of your Precision 3581.
Table 19. Power adapter specifications
Description Option one Option two
Type
100 W USB-C 130 W, USB-C
Input voltage
100 VAC - 240 VAC 100 VAC - 240 VAC
Input frequency
50 Hz – 60 Hz 50 Hz – 60 Hz
Input current (maximum)
1.7A 1.8A
Output current (continuous)
● 20V/5A (Continuous)
● 15V/3A (Continuous)
● 9.0V/3A (Continuous)
● 5.0V/3A (Continuous)
● 20V/6.5A (Continuous)
● 5.0V/1A (Continuous)
Rated output voltage
20VDC/15VDC/9VDC/5VDC 20VDC/5VDC
Temperature range:
Operating
0
o
to 40
o
C (32
o
F to 104
o
F 0
o
to 40
o
C (32
o
F to 104
o
F
Storage
- 40
o
to 70
o
C (-40°F to 158°F) - 40
o
to 70
o
C (-40°F to 158°F)
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.
Battery
The following table lists the battery specifications of your Precision 3581.
Table 20. Battery specifications
Description Option one Option two
Battery type
4-cell "smart" lithium-ion 64 Wh 6-cell "smart" lithium-ion 97 Wh
Battery voltage
15.2 VDC 11.4 VDC
Battery weight (maximum)
0.28 kg (0.49 lb) 0.42 kg (0.92 lb)
Battery dimensions:
Height
7.6 mm (0.29 in.) 7.6 mm (0.29 in.)
Width
226.6 mm (8.92 in.) 336 mm (13.22 in.)
Specifications of Precision 3581 25