Dell Inspiron 15z (1570, Mid 2009) - Manual (Page 4)

Luminance 200 nits
Maximum resolution 1366 x 768
Refresh rate 60 Hz
Operating angle 0° (closed) to 140°
Horizontal viewing angle 40/40
Vertical viewing angle 15/30 (H/L)
Pixel pitch 0.252 x 0.252 mm
Controls brightness can be controlled through keyboard
shortcuts (see the Dell Technology Guide for
more information)
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Keyboard
Number of keys 86 (U.S. and Canada); 87 (Europe); 90 (Japan);
87 (Brazil)
Layout QWERTY/AZERTY/Kanji
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Touch Pad
X/Y position resolution
(graphics table mode)
240 cpi
Width 79.5 mm (3.13 inches) sensor-active area
Height 40.2 mm (1.58 inches) rectangle
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Battery
4-cell/6-cell “smart” lithium ion
Depth
53.2 mm (2.09 inches)
Height 21.4 mm (0.84 inches)
Width 209.4 mm (8.24 inches)
Weight 0.26 kg (0.57 lb) (4-cell)
0.35 kg (0.77 lb) (6-cell)
9-cell “smart” lithium ion
Depth
53.2 mm (2.09 inches)
Height 41.7 mm (1.64 inches)
Width 264.6 mm (10.41 inches)
Weight 0.52 kg (1.15 lb)
Voltage 11.1 VDC
Charge time (approximate) 4 hours (when the computer is turned off)