Bump. (I'm on an X230.)

Some of them experienced noticeable capacity loss. Most didn't. Battery brand had a lot more to do with their longevity than any usage habits of mine. Good to know, thanks. That I am using a Lenovo battery, and that they explicitly recommend not charging it fully to maximize longevity, and that fai...

This http://blog.thekondor.net/2012/09/make- ... holds.html looks good, but it's a bit technical even for me, and I can't figure out how to implement it.

...I think you will find there is very little correlation between charging thresholds and the longevity of your battery. I am curious about your statement. I have read in many places, such as officially http://forums.lenovo.com/t5/Welcome-FAQs-Knowledge-Base/How-can-I-increase-battery-life/ta-p/244...

I don't think tp_smapi is supported in certain recent model ThinkPads, such as the OP's X121e and my X230. Hopefully I am mistaken. If not, is there any other way to set the charging threshold?

*bump* In my case, I have been using Linux Mint Maya on an X230 ThinkPad. I got the machine last fall and used it more or less normally for six months. The battery capacity dropped to 44% and Lenovo is replacing it under warranty. I need a way to control the charging threshold so I don't trash the r...