Dell Studio 1557 (Late 2009) - Manual (Page 92)

90
Specifications
AC Adapter
Input voltage 100–240 VAC
Input current 1.5 A/1.6 A/1.7 A
Input frequency 50–60 Hz
Output power 65 W or 90 W
Output current
(65 W)
4.34 A (maximum at
4‑second pulse)
3.34 A (continuous)
Output current
(90 W)
5.62 A (maximum at
4‑second pulse)
4.62 A (continuous)
Rated output
voltage
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
cables)
0.29 kg (0.64 lb)
0.26 kg (0.57 lb)
(Auto‑Air Adapter,
without AC cord and DC
extension cord)