Touchpad, Battery, Ac adapter – Dell XPS 15 (L521X, Mid 2012) User Manual
Page 5
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Touchpad
X/Y position
resolution
(graphics table
mode)
240 cpi
Size (sensor-active
area)
Height
71.50 mm (2.82 inches)
Width
99.00 mm (3.90 inches)
Battery
9-cell “smart” lithium
ion
Height
13.80 mm (0.54 inch)
Width
247.80 mm (9.76 inches)
Depth
101.20 mm (3.98 inches)
Weight
0.43 kg (0.95 lb)
Voltage
11.1 VDC
Charge time
(approximate)
less than 4 hours (when the computer is turned off)
Operating time
battery operating time varies depending on operating
conditions and may reduce significantly under
certain power-intensive conditions
Coin-cell battery
CR-2032
AC Adapter
Type
90 W
Input voltage
100 VAC—240 VAC
Input current
(maximum)
1.60 A/1.70 A
Input frequency
50 Hz—60 Hz
Output current
(continuous)
3.34 A/4.62 A
Output power
90 W
Rated output voltage 19.50 +/- 1 VDC
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