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6-Cell (55 WHr) Lithium-
6-Cell (55 WHr) Lithium-6-Cell (55 WHr) Lithium-
6-Cell (55 WHr) Lithium-
on battery
on batteryon battery
on battery
Dimensions
DimensionsDimensions
Dimensions
(H x W x L)
0.8 x 2.1 x 8.0 in (2.0 x 5.3 x 20.4 cm)
Weight
WeightWeight
Weight
0.71 lb (0.32 kg)
Cells/Type
Cells/TypeCells/Type
Cells/Type
6-cell Lithium-Ion
Energy
EnergyEnergy
Energy
Watt-hour Capacity
55 WHr
Temperature
TemperatureTemperature
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
Battery Re-Charge TimeBattery Re-Charge Time
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
6-Cell (47 WHr) Lithium-
6-Cell (47 WHr) Lithium-6-Cell (47 WHr) Lithium-
6-Cell (47 WHr) Lithium-
Ion battery
Ion batteryIon battery
Ion battery
Dimensions
DimensionsDimensions
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
WeightWeight
Weight
0.659 lb (0.299 kg)
Cells/Type
Cells/TypeCells/Type
Cells/Type
6-cell Lithium-Ion
Energy
EnergyEnergy
Energy
Watt-hour Capacity
47 WHr
Temperature
TemperatureTemperature
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
Battery Re-Charge TimeBattery Re-Charge Time
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
Displays
DisplaysDisplays
Displays
QuickSpecs
HP ProBook 6440b Notebook PC
HP ProBook 6440b Notebook PCHP ProBook 6440b Notebook PC
HP ProBook 6440b Notebook PC
Technical Specifications
DA - 13462 Worldwide — Version 6 — February 10, 2010
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