Dell Latitude D520 - Manual (Page 79)

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):