Dell Inspiron 11z (1110, Mid 2009) - Manual (Page 68)

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Basic Specifications
Display
Type 11.6-inch HD+ WLED with
TrueLife
Dimensions:
Height
144 mm (5.7 inches)
Width 256.12 mm (10.1 inches)
Diagonal 293.83 mm (11.6 inches)
Maximum
resolution
1366 x 768 at 262 K colors
Battery
Type 3-cell/6-cell lithium ion
Charge time at room temperature
(approximate):
Computer off
3.0 hours (3-cell)
4.0 hours (6-cell)
Operating
time
Battery operating time varies
depending on operating
conditions and can be
significantly reduced under
certain power-intensive
conditions.
For more information, see
the Dell Technology Guide
on your hard drive or on
the Dell Support website at
support.dell.com/manuals.
Coin-cell
battery
CR-2032