Lenovo ThinkPad X140e - Manual (Page 28)

• Two USB 3.0 connectors
• One Always-on USB connector
• RJ45 Ethernet connector
• 4-in-1 digital media card reader
Wireless features
• Integrated wireless LAN
• Integrated Bluetooth (on some models)
Specifications
This section lists the physical specifications for your computer.
Size
• Width: 293.4 mm (11.55 inches)
• Depth: 216 mm (8.50 inches)
• Height: 32.3 mm (1.27 inches)
Heat output
• 65 W (222 Btu/hr) maximum
Power source (ac power adapter)
• Sine-wave input at 50 to 60 Hz
• Input rating of the ac power adapter: 100 to 240 V ac, 50 to 60 Hz
Battery pack
• Lithium-ion (Li-Ion) battery pack
Battery life
• For the percentage of remaining battery power, check the battery-status icon in the Windows notification
area.
Operating environment
This section provides information about your computer operating environment.
Environment:
• Maximum altitude without pressurization: 3048 m (10 000 ft)
• Temperature
– At altitudes up to 2438 m (8000 ft)
– Operating: 5.0°C to 35.0°C (41°F to 95°F)
– Storage: 5.0°C to 43.0°C (41°F to 109°F)
– At altitudes above 2438 m (8000 ft)
– Maximum temperature when operating under the unpressurized condition: 31.3°C (88°F)
Note: When you charge the battery pack, its temperature must be at least 10°C (50°F).
12 User Guide