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 might 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 https://www.lenovo.com/us/en/compliance/eu-doc.
