HP ProBook 6550b - Control Buttons and Status Indicators

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
Displays
QuickSpecs
HP ProBook 6450b Notebook PC
HP ProBook 6550b Notebook PC
Technical Specifications
DA - 13616 Canada — Version 17 — February 15, 2012 Page 27