• Input rating of the ac power adapter: 100 to 240 V ac, 50 to 60 Hz

Battery pack

Integrated 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 14.

•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)

–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 fields generated by these appliances can damage the monitor and data on the hard disk drive or hybrid 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. Depending on the Windows operating system preinstalled, the programs might vary.

Chapter 1. Product overview 13

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Lenovo S540 manual Operating environment, Lenovo programs, Battery pack, Battery status
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S540 specifications

The Lenovo S540 is a sophisticated laptop designed for both performance and portability, making it an excellent choice for professionals and students alike. This device showcases a blend of modern aesthetics and powerful functionality, representing a notable entry in Lenovo's versatile lineup.

At the heart of the Lenovo S540 lies an Intel Core processor, available in multiple configurations, enabling users to select the level of performance that best suits their needs. These processors deliver exceptional speed and responsiveness, allowing users to seamlessly handle demanding tasks such as video editing, graphic design, or multitasking across various applications.

One of the standout features of the S540 is its stunning display. The laptop offers a Full HD display with vibrant colors and sharp details, whether you are watching movies, editing photos, or simply browsing the web. The narrow bezels around the screen enhance the viewing experience, making it an immersive option for both work and entertainment.

In terms of design, the Lenovo S540 boasts a sleek and lightweight chassis, making it ideal for on-the-go usage. Weighing in at just over 3.5 pounds, it easily fits into backpacks or briefcases, perfect for commuters or students moving between classes. The premium build quality ensures that it not only looks good but can also withstand daily wear and tear.

Battery life is another highlight, with the S540 offering impressive longevity that can last up to 12 hours on a single charge. This capability is crucial for users who may not have immediate access to a power source while out and about. Furthermore, it features rapid charge technology allowing users to recharge the battery quickly when needed.

Connectivity options on the S540 are generous, including USB-C, USB 3.1, HDMI, and a headphone/microphone combo jack. These ports facilitate easy connection to a variety of devices and peripherals, enhancing the overall usability of the laptop.

The Lenovo S540 also makes considerable use of modern technologies such as Intelligent Cooling, which adjusts performance and efficiency based on usage patterns, and TrueBlock Privacy Shutter, providing users with physical protection for the webcam when not in use.

With its balance of style, performance, and innovative features, the Lenovo S540 stands out as a formidable option in the competitive landscape of ultrabooks, making it a prime choice for anyone in need of a reliable and capable laptop.
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