HP ProBook 6545b - Notebook PC, Specifications, Page: 20 / 37

6-Cell (55 WHr) Lithium-
6-Cell (55 WHr) Lithium- 6-Cell (55 WHr) Lithium-
6-Cell (55 WHr) Lithium-
on battery
on battery on battery on battery
Dimensions
Dimensions Dimensions
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 Weight Weight Weight 0.71 lb (0.32 kg)
Cells/Type Cells/Type Cells/Type Cells/Type 6-cell Lithium-Ion
Energy Energy Energy Energy Watt-hour Capacity 55 WHr
Temperature Temperature Temperature 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 Time Battery 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 Displays Displays Displays
15.6-inch LED HD (1366 15.6-inch LED HD (1366 15.6-inch LED HD (1366 15.6-inch LED HD (1366
x 768)
x 768) x 768)
x 768)
anti-glare
anti-glare anti-glare anti-glare
Active Area Active Area Active Area Active Area (W x H) 13.54 x 7.59 in (34.4 x 19.4 cm)
Diagonal Size Diagonal Size Diagonal Size Diagonal Size 15.6 in (39.6cm)
Surface Treatment Surface Treatment Surface Treatment Surface Treatment Anti-glare
Contrast Ratio Contrast Ratio Contrast Ratio Contrast Ratio 300:1 (typical)
Refresh Rate Refresh Rate Refresh Rate Refresh Rate 60 Hz
Brightness Brightness Brightness Brightness 200 nit (typical)
Pixel Resolution Pixel Resolution Pixel Resolution Pixel Resolution Pitch Pitch Pitch Pitch 0.252 mm
Format Format Format Format 1366 x 768
Configuration Configuration Configuration Configuration RGB Stripe
Backlight Backlight Backlight Backlight LED
PPI PPI PPI PPI 100 ppi
Viewing Angle Viewing Angle Viewing Angle Viewing Angle ±30° Horizontal, ±10° Vertical (minimum)
30/30/20/10 (Left/Right/Down/Up) (minimum) or
45/45/35/25 (Left/Right/Down/Up) (typical)
QuickSpecs
HP ProBook 6545b Notebook PC HP ProBook 6545b Notebook PC HP ProBook 6545b Notebook PC HP ProBook 6545b Notebook PC
Technical Specifications
DA - 13396 North America — Version 7 — January 18, 2010 Page 20