HP Compaq NX9420 - Page 23

Optional HP 8-Cell
Extended Life Battery
Dimensions (H x W x L) 1.0 x 3.9 x 8.7 in (2.5 x 10.0 x 22.0 cm)
Weight 1.00 lb (0.455 kg)
Cells/Type 8-cell Lithium-Ion
Energy Voltage 14.4V
Watt-hour Capacity 52Wh
Amp-hour Capacity 3.6Ah
Temperature Operating (Charging) 32° to 113° F (0° to 45° C)
Operating (Discharging) 14° to 140° F (–10° to 60° C)
Non-operating –4° to 140° F (–20° to 60° C)
Battery Re-Charge Time System in OFF mode or
Standby
3 hours
System ON 3 to 5 hours (depending on system power
consumption)
HP Fast Charge Technology Charges the battery up to 90% within 90 minutes
when system is OFF
Fuel Gauge When pressed, LEDs light indicating level of charge remaining on battery
69Wh Primary 8-Cell
Battery
Dimensions (H x W x L) 0.8 x 1.9 x 10.6 in (2.0 x 4.8 x 27.0 cm)
Weight 0.980 lb (0.445 kg)
Cells/Type 8-cell Lithium-Ion
Energy Voltage 14.4V
Watt-hour Capacity 69Wh
Amp-hour Capacity 4.8Ah
Temperature Operating (Charging) 32° to 113° F (0° to 45° C)
Operating (Discharging) 14° to 140° F (–10° to 60° C)
Non-operating –4° to 140° F (–20° to 60° C)
Battery Re-Charge Time System in OFF mode or
Standby
2.5 hours
System ON 3 to 5 hours (depending on system power
consumption)
HP Fast Charge Technology Charges the battery up to 90% within 90 minutes
when system is OFF
QuickSpecs
HP Compaq nx9420 Notebook PC
Technical Specifications
DA - 12427 North America — Version 22 — October 5, 2007 Page 23