User Guide

6-Cell (55 Wh) Lithium-
on battery
Dimensions (HxWxL) 0.8 x 2.1 x 8.0 in (2.0 x 5.3 x 20.4 cm)
Weight 0.71 lb (0.32 kg)
Cells/Type 6-cell Lithium-Ion
Energy Watt-hour Capacity 55 Wh
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
4-Cell (37 Wh) Lithium-
Ion battery
Dimensions (H x W x L) 0.8 x 2.1 x 8.0 in (2.0 x 5.3 x 20.3 cm)
Weight 0.55 lb (0.249 kg)
Cells/Type 4-cell Lithium-Ion
Energy Watt-hour Capacity 37 Wh
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
HP Long Life 6-cell 51
Wh Lithium-Ion
Primary battery
Dimensions (H x W x L) 0.8 x 2.1 x 8.0 in (2.0 x 5.3 x 20.3 cm)
Weight 0.73 lb (0.331 kg)
Cells/Type 6-cell Lithium-Ion
Energy Watt-hour Capacity 51 Wh
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)
Displays
QuickSpecs
HP EliteBook 8440p Notebook PC
Technical Specifications
DA - 13520 Worldwide QuickSpecs — Version 12 — 5/24/2010 Page 22