Dell Vostro 1520 (Early 2009) - Manual (Page 8)

Viewing angles
Horizontal
±40° (WXGA) typical
±40° (WXGA with TrueLife)
Pixel pitch
WXGA –.258 mm (.010 inch)
WXGA with TrueLife –.23 mm (.009 inch)
Controls Brightness can be controlled through keyboard shortcuts
Keyboard
Number of keys 84 (U.S. and Canada); 85 (Europe); 88 (Japan)
Layout QWERTY/AZERTY/Kanji
Size full sized (19-mm key pitch)
Touch Pad
X/Y position resolution
(graphics table mode)
240 CPI
Size
Width 73.0-mm (2.9-inch) sensor-active area
Height 42.9-mm (1.7-inch) rectangle
Fingerprint Reader (Optional)
Type UPEK TCS3 TouchStrip™ strip sensor with CMOS active
capacitive pixel-sensing technology
Camera (Optional)
Resolution 640 x 480 pixels (VGA)
Battery
Type
12 -cell lithium-ion prismatic slice battery 84 WHr
9 -cell lithium-ion battery 85 WHr
6 -cell lithium-ion battery 56 WHr
4 -cell lithium-ion battery 35 WHr
Dimensions:
Depth
4- or 6-cell lithium-ion battery 206 mm (8.11 inches)
9-cell lithium-ion battery 93.3 mm (3.67 inches)
12 -cell lithium-ion battery 14.48 mm (0.57 inches)
Height
4- or 6-cell lithium-ion battery 19.8 mm (0.78 inch)
9-cell lithium-ion battery 22.3 mm (0.88 inch)
12-cell lithium-ion battery 217.24 mm (8.55 inch)
Width
4- or 6-cell lithium-ion battery 47.0 mm (1.85 inches)
9-cell lithium-ion battery 68.98 mm (2.70 inches)
12-cell lithium-ion battery 322.17 mm (12.68 inches)
Weight
4-cell lithium-ion battery 0.24 kg (0.53 lb)
6-cell lithium-ion battery 0.33 kg (0.73 lb)
9-cell lithium-ion battery 0.51 kg (1.12 lb)
12-cell lithium-ion battery 0.85 kg (1.87 lb)
Voltage
4-cell lithium-ion battery 14.8 VDC
6- or 9-cell lithium-ion battery 11.1 VDC
12-cell lithium-ion battery 14.8 VDC