Compaq Presario 18XL Maintenance & Service Guide Presario 1800/1800T Serie - Page 24

Battery Pack, CD/CD-RW/DVD Drive, Specification, 2 AHr Li-ion, 6X DVD, CD-RW, 24X CD-ROM - 280

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Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Battery Pack Specification Type 3.2 AHr Li-ion 3.6 AHr Li-ion Lithium Ion Enhanced Lithium Ion Enhanced Height Length Width 0.8 in. (20.3 mm) 5.7 in. (145 mm) 3.1 in. (78.7 mm) 0.8 in. (20.3 mm) 5.7 in. (145 mm) 3.1 in. (78.7 mm) Weight 0.90 lb (408.2 g) 0.90 lb (408.2 g) Operating Lifetime Nominal Open Circuit Voltage Capacity Power >3 hr* 14.4 V 3.2 Ahr 43.2 WH >3 hr* 14.4 V 3.6 Ahr 43.2 WH Temperature Requirements Operating Non-operating Charging 0-50 C -20-60 C 5-45 C 0-50 C -20-60 C 5-45 C *The battery operating lifetime depends on your power management settings, system components, options, and applications. CD/CD-RW/DVD Drive Specification Dimensions Weight Rotational Speed Approx.* 6X DVD 128 x 129 x 12.7 mm 280 g Sustained Data Transfer Rate (typical)* Random Access Time (Avg.) 140 ms Spin Up time

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8 S
PECIFICATIONS
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Battery Pack
*The battery operating lifetime depends on your power management settings,
system components, options, and applications.
CD/CD-RW/DVD Drive
*Specifications vary by vendor/brand.
Specification
3.2 AHr Li-ion
3.6 AHr Li-ion
Type
Lithium Ion Enhanced
Lithium Ion Enhanced
Height
Length
Width
0.8 in. (20.3 mm)
5.7 in. (145 mm)
3.1 in. (78.7 mm)
0.8 in. (20.3 mm)
5.7 in. (145 mm)
3.1 in. (78.7 mm)
Weight
0.90 lb (408.2 g)
0.90 lb (408.2 g)
Operating Lifetime
>3 hr
*
>3 hr
*
Nominal Open Circuit
Voltage Capacity
Power
14.4 V
3.2 Ahr
43.2 WH
14.4 V
3.6 Ahr
43.2 WH
Temperature Requirements
Operating
Non-operating
Charging
0±50 C
-20±60 C
5±45 C
0±50 C
-20±60 C
5±45 C
Specification
6X DVD
8X DVD
CD-RW
24X CD-ROM
Dimensions
128 x 129 x
12.7 mm
128 x 126.1 x
12.7 mm
128 x 129 x
12.7 mm
128 x 129 x
12.7 mm
Weight
280 g
265-270 g
300 g
180-270 g
Rotational Speed Approx.
*
1200-4670
rpm
4200 rpm
(CD)
4225-5200
rpm
Sustained Data Transfer
Rate (typical)
*
4463-10820
KB/s
2100 KB/s
1545-3600
KB/s
Random Access Time (Avg.)
140 ms
90-100 ms
150 ms
90-180 ms
Spin Up time
<15 s
2.0-2.5 s
<10 s
2.7-2.8 s
Data Buffer Capacity
512 KB
128 KB
2 MB
128 KB