packaging materials.
Use readily recyclable packaging materials such as paper and
corrugated materials.
Reduce size and weight of packages to improve transportation fuel
efficiency.
Plastic packaging materials are marked according to ISO 11469 and
DIN 6120 standards.
HP ProBook 4720s Notebook PC
Eco-Label Certifications
This product has received or is in the process of being certified to the
following approvals and may be labeled with one or more of these marks:
US Energy Star
IT ECO declaration
EPEAT - Gold
System Configuration
The configuration used for the Energy Consumption and Declared Noise
Emissions data for the Convertible Mini tower Desktop model is based on a
"Typically Configured Notebook"
Energy Consumption
115 VAC 230 VAC 100 VAC
Normal Operation
11.8 W
11.85 W 11.80 W
Sleep (Energy Star low
power mode)
0.98 W 1.08 W 0.98 W
Off
0.61 W 0.68 W 0.59 W
Heat Dissipation
*
115 VAC 230 VAC 100 VAC
Normal Operation
40 BTU/hr 41 BTU/hr 40 BTU/hr
Sleep
3 BTU/hr 4 BTU/hr 3 BTU/hr
Off
2 BTU/hr 2 BTU/hr 2 BTU/hr
* Heat dissipation is calculated based on the measured watts, assuming the
service level is attained for one hour.
Declared Noise Emissions
(in accordance with
ISO 7779 and ISO 9296)
System Fan Off
Sound Power
(LWAd, bels)
Sound Pressure
(LpAm, decibels)
Idle
2.8 24.2
Fixed Disk
(random writes)
2.8 25.8
System fan is usually off except when charging the battery
Batteries
This battery(s) in this product comply with EU Directive 2006/66/EC
Batteries used in the product do not contain:
Mercury greater the 5ppm by weight
Cadmium greater than 10ppm by weight
The battery type and chemistry used in the product is:
CR2032 (coin cell), Li-ion
6-cell high capacity Lithium-Ion battery (optional 8 cell available)
QuickSpecs
HP ProBook 4520s Notebook PC HP ProBook
4720s Notebook PC
Technical Specifications
DA - 13569 Worldwide QuickSpecs — Version 2 — 3.12.2010
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