Digital Persona Pro Workgroup: Designed for the small business customer. Provides features similar
to the Active Directory version, but for workgroups. Workgroup activation is built into HP
ProtectTools, and activation of up to 5 seats is completely free.
Power Supply
Models with integrated graphics: External 65-watt Smart AC adapter
Models with discrete graphics: External 90-watt Smart AC adapter
6-foot (1.8-meter) power cord included; total length including external AC adapter is 12 feet (3.66 meter)
HP Fast Charge
*
* HP Fast Charge recharges your battery up to 90% within 90 minutes when the system is off. HP Fast
Charge does not apply to the HP 9-cell battery.
Battery
Primary battery
HP ProBook 4520s:
HP 9-cell (93 WHr) Li-Ion battery
HP 6-cell (47 WHr) Li-Ion battery
HP ProBook 4720s:
HP 8-cell (73 WHr) Li-Ion battery
Battery Life
Configurations with integrated
graphics
Configurations with
discrete graphics
HP ProBook 4520s
9-cell battery
Up to 10 hours
Up to 8 hours
6-cell battery
Up to 5 hours
Up to 4 hours
HP ProBook 4720s
8-cell battery
N/A
Up to 6 hours
NOTE: Battery life will vary depending on the product model, configuration, loaded applications,
features, use, wireless functionality and power management settings. The maximum capacity of the
battery will naturally decrease with time and usage. See MobileMark07 battery benchmark
www.bapco.com/products/mobilemark2007
for additional details.
System Standby Time
Up to TBD week
Power Conservation
Supports enhanced Intel SpeedStep technology (allows Battery Optimized Mode, Maximum Performance
Mode, or Automatic mode)
ATI PowerPlay technology
Hibernation
Standby
ACPI compliance
QuickSpecs
HP ProBook 4520s Notebook PC HP ProBook
4720s Notebook PC
Standard Features (availability may vary by country)
DA - 13569 Worldwide QuickSpecs — Version 2 — 3.12.2010
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