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Manual mode
•
Quiet mode: the least fan noise
•
Balanced mode: balanced performance and fan noise
•
Performance mode: the highest performance and normal fan noise
on ac power
Do the following to select the preferred mode:
1. Click the battery status icon in the Windows notification area.
2. Move the slider to the left or right to select your preferred mode.
Auto mode (for Intel models only)
•
Auto battery mode: Switch between quiet mode and battery mode automatically based on the amount
of system activity.
•
Auto performance mode: Switch among quiet mode, balanced mode and performance mode
automatically based on the amount of system activity.
Manage power
Use the information in this section to achieve the best balance between performance and power efficiency.
Check the battery status
Go to Settings ➙ System to check the battery status. For more details about your battery, refer to the
Vantage app.
Charge the computer
Use ac power
Power source of the ac power adapter:
• Power: 45 W or 65 W (depending on the model)
• 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 20 V dc, 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.
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
on battery power
.
Chapter 3
Explore your computer
23
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