Disabling "critical low-battery" BIOS beep on thinkpad 13 : r/thinkpad
Numeric sensor CMOS Battery going low(lower critical) has asserted " error is reported in XCC on Lenovo ThinkSystem SR530, Type 7X08 - Lenovo Support HK
Standby Or Hibernation Problems - Lenovo ThinkPad G40 Series Service And Troubleshooting Manual [Page 43] | ManualsLib
Will the laptop trigger critical battery action if I set critical battery to 0%? - Super User
Why does my Lenovo ThinkPad with battery life (50 - 90%) suddenly shutdown and it won't open and when I connect it to AC, it will show 0% and it will start charging? - Quora