Dell D520 specifications Keyboard, Touch Pad, Battery, AC Adapter

XGA	0.297 mm (0.012 inch)
SXGA+	0.217 mm (0.008 inch)
Power consumption (panel with backlight) (typical):
XGA	5.0 W (max.)
SXGA+	4.8 W (max.)
Controls	brightness can be controlled through keyboard
	shortcuts
Keyboard
Number of keys	87 (U.S. and Canada); 87 (China); 89 (Brazil); 88
	(Europe); 91 (Japan)
Key travel	2.5 mm ± 0.3 mm (0.11 inch ± 0.016 inch)
Key spacing	19.05 mm ± 0.3 mm (0.75 inch ± 0.012 inch)
Layout	QWERTY/AZERTY/Kanji
Touch Pad
X/Y position resolution (graphics table mode)	240 cpi
Size:
Width	64.88 mm (2.55-inch) sensor-active area
Height	48.88-mm (1.92-inch) rectangle
Battery
Type	6-cell "smart" lithium ion (56 WHr) (standard)
	6-cell "smart" lithium ion (48 WHr) (optional in media
	bay)
	4-cell "smart" lithium ion (32 WHr) (optional)
Dimensions:
Depth	77.5 mm (3.05 inches)
Height	19.5 mm (0.76 inch)
Width	123.4 mm (4.86 inches)
Weight	0.32 kg (0.70 lb) (6 cell) 0.23 kg (0.52 lb) (4 cell)
Voltage	14.8 VDC (4 cell)
	11.1 VDC (6 cell)
Charge time (approximate):
Computer off	approximately 1 hour for 80 percent charge
Operating time	varies depending on operating conditions and can be
	significantly reduced under certain power-intensive
	conditions.
	See Battery Performance for more information.
Life span (approximate)	300 discharge/charge cycles
Temperature range:
Operating	0° to 40°C (32° to 104°F)
Storage	–40° to 60°C (–40° to 140°F)
AC Adapter
Input voltage	100–240 VAC
Input current (maximum)	1.5 A
Input frequency	50–60 Hz
Output current	3.34 A (65-W AC adapter)
	4.62 A (90-W AC adapter)
Output power	65 W
	90 W
Rated output voltage	19.5 VDC
Dimensions and weight (65-W AC adapter):