Charge the computer
Use ac power
Notes:
• 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 Commercial Vantage.
Use P-to-P 2.0 (Peer to Peer 2.0) charging function
Both Thunderbolt 4 connectors (USB-C) on the computer feature the Lenovo-unique P-to-P 2.0 charging
function. To use the function, ensure that Charge in Battery Mode is enabled in UEFI BIOS of your
computers, so that the function works even when the computers are off or in hibernation mode.
To enable Charge in Battery Mode:
1. Press F1 to enter the UEFI BIOS menu.
2. Click Config ➙ USB, and then to enable Charge in Battery Mode.
• When no ac power is available:
Chapter 3. Explore your computer 19
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