HP ProBook 4540s - Left Ports

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 (max) 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 or Standby
Mode
3 to 4 hours
System ON 4 to 6 hours (depending on system power
consumption)
6-Cell (47 WHr) Lithium-
Ion battery
Dimensions (H x W x L) 0.8 x 1.8 x 10.4 in (2 x 4.5 x 26.5cm)
Weight (max) .70lb, (.312kg)
Cells/Type Lithium-Ion
Energy Voltage 10.8V
Amp-hour capacity 4.4Ah
Watt-hour capacity 47Wh
Temperature Operating (Charging) 32° to 113° F (0° to 45° C)
Operating (Discharging) 14° to 122° F(-10° to 50° C)
Non-operating -4° to 122° F (-20° to 50° C)
Battery Re-Charge Time System in OFF or Standby
Mode
2.5 hours
System ON 3 to 5 hours
Fuel Gauge LED No
Warranty 1 year
Compatible with optional
Travel Battery
No
ENVIRONMENTAL
QuickSpecs
HP ProBook 4440s/1s Notebook PC
HP ProBook 4540s Notebook PC
Technical Specifications
DA - 14306 North America — Version 7 — April 25, 2013 Page 29