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Chapter 3. Explore your computer
Manage power
Use the information in this section to achieve the best balance between performance and power efficiency.
Check the battery status
The battery status icon or is in the Windows notification area. You can check the battery status, view
the current power plan, and access battery settings quickly.
Click the battery status icon to display the percentage of battery power remaining and change the power
mode. A warning message is displayed when the battery is low.
Charge the battery
Use ac power
When the battery power is low, charge your battery by connecting your computer to ac power.
The battery is fully charged in about two to four hours. The actual charging time depends on the battery
capacity, 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: To maximize the life of the battery, the computer does not start recharging the battery if the remaining
power is greater than 95%.
Use P-to-P 2.0 charging function
Both the USB Type-C connector (USB 3.1 Gen 1) and the Thunderbolt™ 3 connector (USB Type-C) on the
computer feature the Lenovo-unique P-to-P 2.0 charging function, which enables one computer (A) to supply
power to another computer (B) through a USB Type-C to USB Type-C cable when no ac power is available.
To use the function, ensure that:
The selected connectors support the P-to-P 2.0 charging function and power delivery function.
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