Dell Studio 1749 (Early 2010) - Manual (Page 92)

90
Specifications
AC Adapter
NOTE: Use only AC adapters specified
for use with your computer. See the
safety information that shipped with your
computer.
Input voltage 100–240 VAC
Input current
(maximum)
2.50 A
Input frequency 50–60 Hz
Output power 65 W, 90 W, or 130 W
Output current
65 W 3.34 A (continuous)
90 W 4.62 A (continuous)
130 W 6.70 A (continuous)
Rated output voltage 19.5 ± 1 VDC
AC Adapter
Dimensions:
130 W (E-Series)
Height 25.4 mm (1.0 inches)
Width 76.2 mm (3.0 inches)
Depth 154.7 mm (6.1 inches)
Weight (with
cables)
up to 0.74 kg (1.63 lb)
90 W (E-Series)
Height 16 mm (0.6 inches)
Width 70 mm (2.8 inches)
Depth 147 mm (5.8 inches)
Weight (with
cables)
up to 0.53 kg (1.17 lb)