Is it a good idea to buy used CMOS batteries, like the following?
https://www.ebay.com/itm/Genuine-Lenovo ... SwI4ZbWmVX

ajkula66, thank you for the info about the CMOS battery, and the DOA rate on the OEM main batteries.

Dave, I have posted on the other thread - I would be happy to buy one of the X6X tablet batteries as soon as you have info on them.

Dave, I would be very grateful if you would give an update on price and quantity info. You have a buyer right here!

Happy to buy either 4-cell or 8-cell. On ebay, I see $200 OEM batteries and $30-40 Chinese batteries, and I don't know if I ought to trust the ones from China. Any advice on the topic would also be very welcome, as my laptop only currently works when plugged in... :D I also have a dead CMOS battery,...

Hey there - you might check out https://libreboot.org/ Librebooting your thinkpad (which replaces the proprietary BIOS with free software) makes it boot significantly faster. Libreboot also has the advantage of getting rid of the Intel Management Engine (which has the power to function as spyware an...