HP ProBook 6540b Quickspecs

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
6-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 20.3 cm)
Weight 0.659 lb (0.299 kg)
Cells/Type 6-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
Displays
QuickSpecs
HP ProBook 6540b Notebook PC
Technical Specifications
DA - 13465 North America — Version 13 — September 27, 2010 Page 21

HP ProBook 6540b Specifications

General

Graphics	Intel HD Graphics
Operating System	Windows 7 Professional
Processor	Intel Core i5-430M
RAM	Up to 8GB DDR3
Storage	250 GB HDD (7200 rpm)
Display	15.6-inch diagonal LED-backlit HD anti-glare (1366 x 768)
Battery	6-cell Li-Ion
Weight	2.6 kg (5.7 lbs)
Chipset	Mobile Intel HM57 Express
Optical Drive	DVD+/-RW SuperMulti DL
Wireless	802.11a/b/g/n
Ports	USB 2.0, VGA, DisplayPort, eSATA, RJ-45, headphone/microphone combo jack