Optional HP Long Life 3-
cell 47 WHr Lithium-Ion
Battery
Dimensions
(H x W x L)
0.8 x 2.1 x 8.0 in (2.0 x 5.3 x 20.4 cm)
Weight
0.71 lb (0.32 kg)
Cells/Type
3-cell Lithium-Ion
Energy
Watt-hour Capacity
47 WHr
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
9-Cell (93 WHr) Lithium-
Ion battery
Dimensions
(H x W x L)
0.8 x 2.9 x 8.3 in (2.0 x 7.3 x 21.0 cm)
Weight
1.07 lb (0.488 kg)
Cells/Type
9-cell Lithium-Ion
Energy
Watt-hour Capacity
93 WHr
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 to 4 hours
System ON
4 to 6 hours (depending on system power
consumption)
6-Cell (55 WHr) Lithium-
on battery
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
0.71 lb (0.32 kg)
Cells/Type
6-cell Lithium-Ion
Energy
Watt-hour Capacity
55 WHr
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 ProBook 6455b Notebook PC
HP ProBook 6555b Notebook PC
Technical Specifications
DA - 13596 Canada — Version 18 — February 15, 2012
Page 24
