Genuine Lenovo Battery Not Attached, got this pop-up after 1 year of use without any problem, anyone got a solution? The batter is from Sanyo. : r/ thinkpad
IBM ThinkPad 600E Battery Replacement - iFixit Repair Guide
IBM ThinkPad 600E Display Replacement - iFixit Repair Guide
01AV405 SB10J79002 Battery Replacement for Lenovo ThinkPad T460s T470s Series Internal 01AV406 SB10J79003 00HW038 00HW024 00HW025 01AV462 01AV407 01AV408
Replace the BIOS Battery on an IBM Thinkpad 600X Cheaply : 7 Steps - Instructables