Manage Power; Check The Battery Status; Charge The Computer - Lenovo 100w Gen 4 User Manual

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Manage power

Use the information in this section to achieve the best balance between performance and power efficiency.

Go to Settings ➙ System to check the battery status. For more details about your battery, refer to the

Vantage app.

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. 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

Notes: To maximize the life of the battery:

• Use the battery until the charge is depleted and recharge the battery completely before using it. Once the

battery is fully charged, it must discharge to 94% or lower before it will be allowed to recharge again.

• The battery may optimize its full charge capacity based on your usage. After prolonged periods of limited

use, full battery capacity may not be available until you discharge to as low as 20% and recharge

completely. For more information, refer to the power section of the Vantage app.

100w Gen 4/300w Yoga Gen 4/500w Yoga Gen 4 User Guide

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