Disabling "critical low-battery" BIOS beep on thinkpad 13 : r/thinkpad
Error : r/thinkpad
Lenovo T14 System Firmware update fail due to low battery · Issue #315 · fwupd/firmware-lenovo · GitHub
My ThinkPad E540 won't charge. It says battery critically low and when it comes on, it's at 5% and has a red x on the battery icon and the charging light flashes.