Manage Power; Check The Battery Status; Charge The Computer - Lenovo ThinkPad E14 Gen 4 User Manual

– Balanced: power consumption, fan speed, and performance are dynamically balanced for better
experience.
– Best Performance:
– For models with discrete GPU: the ultra performance is prioritized, allowing maximum
temperature and higher fan speed.
– For models without discrete GPU: the performance is prioritized, allowing higher temperature
and fan speed.
• When the auto mode is enabled, it is recommended to set the power mode to Balanced. Then your
computer will be adjusted automatically to achieve the best mix of power consumption, battery life,
computer performance, and fan speed based on the amount of system activity.
Enable/disable ultra-performance mode (for models with discrete GPU only)
To disable or enable ultra-performance mode, go to
corresponding exe files from product page. You can also use the exe files to restore the default settings.

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: 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, 3.25 A
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
https://pcsupport.lenovo.com
.
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Chapter 3 Explore your computer
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