Specifications; Operating Environment - Lenovo ThinkPad E555 User Manual

Wireless features
• Integrated wireless LAN
• Integrated Bluetooth
Security features
• Fingerprint reader (available on some models)

Specifications

This section lists the physical specifications for your computer.
Size
• Width: 377 mm (14.84 inches)
• Depth: 255 mm (10.04 inches)
• Height: 27.1 mm (1.07 inches) or 28.9 mm (1.14 inches)
Heat output
• 45 W (154 Btu/hr) maximum or 65 W (222 Btu/hr) maximum (depending on the model)
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

Operating environment

This section provides information about the operating environment of your computer.
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, its temperature must be at least 10°C (50°F).
• Relative humidity:
– Operating: 8% to 80%
– Storage: 5% to 95%
If possible, place your computer in a well-ventilated and dry area without direct exposure to sunshine.
Attention:
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User Guide