Battery
Primary Battery
69Wh 8-cell high capacity Lithium-Ion
Optional HP 8-Cell
Extended Life Battery
52Wh 8-cell high capacity Lithium-Ion
Optional HP 12-Cell Ultra-
Capacity Battery
95Wh 12-cell high capacity Lithium-Ion
Battery Life
69Wh 8-cell Primary
Primary Battery
Up to 4 hours
Primary Battery and
optional HP 8-Cell
Extended Life Battery
Up to 7 hours and 30 minutes
Primary Battery and
optional HP 12-Cell Ultra-
Capacity Battery
Up to 10 hours
NOTE:
Battery life will vary depending on the product configuration, product model, applications loaded
on the product, power management settings of the product, and the product features used by the
customer. As with all batteries, the maximum capacity of this battery will decrease with time and usage.
System Standby Time
Up to 2 weeks
Power Conservation
Supports enhanced Intel SpeedStep technology with Intel Core Duo processors (allows Battery Optimized
Mode, Maximum Performance Mode, or Automatic mode)
HP Smart Power NIC technology
ATI PowerPlay technology
Hibernation
Standby
ACPI compliance
Docking
HP Docking Station
HP Advanced Docking Station
HP's shared docking solutions provide simple and convenient port replication and cable management.
Features include Gigabit NIC pass through, modem pass through, legacy parallel and serial ports, DVI, S-
video TV out, USB 2.0 ports, integrated security mechanism*, integrated MultiBay II and ExpressCard**
slots. These docking solutions are compatible across multiple Business Notebook platforms enabling a
lower total cost of ownership.
* HP/Kensington Cable Lock required (purchased separately)
** HP Advanced Docking Station only
QuickSpecs
HP Compaq nx9420 Notebook PC
Standard Features
DA - 12427 North America — Version 22 — October 5, 2007
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