Switch among modes
You can do the following to switch among preferred modes:
Step 1.
Right-click the battery icon in the task bar to access power and sleep settings.
Step 2.
Locate the Power section and select a preferred mode.
Cool and Quiet on Lap
Your computer can detect whether you are using it on your lap and automatically enable the Cool and Quiet
on Lap feature. The feature helps cool down your computer to avoid any discomfort caused by extended
contact with your body, even through clothing. When you are not using it on your lap, the feature will be
disabled automatically.
Manage power
Use the information in this section to achieve the best balance between performance and power efficiency.
Check the battery status
Check the battery status to help use computer properly.
Go to Settings ➙ System to check the battery status. For more details about your battery, refer to the
Vantage app.
Charge the computer with ac power
Power source of the ac power adapter:
• Power: 45 W or 65 W
• Sine-wave input at 50 Hz to 60 Hz
• Input rating of the ac power adapter: 100 V to 240 V ac, 50 Hz to 60 Hz
• Output rating of the ac power adapter: 20 V dc, 2.25 A or 3.25 A
When the battery power is low, charge your battery by connecting your computer to ac power with the
supplied power adapter. The 65 W ac power adapter supports the rapid charge function, the battery is 80%
charged in about one hour when the computer is turned off. The actual charging time depends on the battery
size, the physical environment, and whether you are using the computer.
Battery charging is also affected by its temperature. The recommended temperature range for charging the
battery is between 10°C (50°F) and 35°C (95°F).
Note: Some models may not ship with ac adapters or power cords. Use only the certified adapters and
power cords provided by Lenovo that comply with the requirements of relevant national standards to charge
the product. It is recommended to use the Lenovo qualified adapters. You can refer to
www.lenovo.com/us/en/compliance/eu-doc
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Chapter 3
Explore your computer
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