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Battery pack
Integrated lithium-ion (Li-Ion) battery pack
Battery life
For the percentage of the remaining battery power, refer to the battery status icon in the Windows notication
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).
• 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.
Keep electrical appliances such as an electric fan, radio, air conditioner, and microwave oven away from
your computer because the strong magnetic elds generated by these appliances can damage the monitor
and data on the hard disk drive.
Do not place any beverages on top of or beside the computer or other attached devices. If liquid is spilled on
or in the computer or an attached device, a short circuit or other damage might occur.
Do not eat or smoke over your keyboard. Particles that fall into your keyboard can cause damage.
Lenovo programs
Your computer comes with Lenovo programs to help you work more easily and securely.
Note: To learn more about the programs and other computing solutions offered by Lenovo, go to
http://www.lenovo.com/support.
To access Lenovo programs, press the Windows key to go to the Start screen. Click a Lenovo program to
launch it. If you cannot nd the program you need, move the cursor to the bottom-right corner of the screen
to bring up the charms. Then click the Search charm to search for the desired program.
You computer might be preinstalled with the following Lenovo programs.
Chapter 1. Product overview 11