Dell Studio 1555 Setup Manual page 92

Specifications
AC Adapter
Input voltage
Input current
Input frequency
Output power
Output current
(65 W)
Output current
(90 W)
Rated output
voltage
90
100–240 VAC
1.5 A/1.6 A/1.7 A
50–60 Hz
65 W or 90 W
4.34 A (maximum at
4‑second pulse)
3.34 A (continuous)
5.62 A (maximum at
4‑second pulse)
4.62 A (continuous)
19.5 +/‑ 1 VDC
AC Adapter
Dimensions:
65 W (E‑Series)
Height 16 mm (0.60 inches)
15 mm (0.59 inches)
(Auto‑Air Adapter)
Width 66 mm (2.6 inches)
Depth 127 mm (5.0 inches)
Weight (with 0.29 kg (0.64 lb)
cables)
0.26 kg (0.57 lb)
(Auto‑Air Adapter,
without AC cord and DC
extension cord)