Specifications, Operating environment – Lenovo ThinkPad Edge E145 User Manual
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• Combo audio connector
• Two USB 3.0 connectors
• One Always-on USBconnector
• 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: 287 mm (11.30 inches)
• Depth: 212 mm (8.35 inches)
• Height: 23 mm (0.91 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 status
To check the battery status, do the following:
• For Windows 7: Open the Power Manager program. Click the Battery tab. For instructions on how to
start the Access Connections™ program, see “Accessing Lenovo programs on the Windows 7 operating
system” on page 13.
• For Windows 8 and Windows 8.1: Press the Windows key to go to the Start screen. Click Lenovo
Settings ➙ Power.
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)
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