I just started a 'vaping with LiFePO4' thread in the battery subforum:I'm mainly using them to run low resistance coil heads at cooler temps. .3-.5 ohms. I've also done rda builds for them as high as 1.2 ohms, and as low as .3 ohms. Still playing around with them, and liking the results so far.
The safer battery chemistry also rates a mention. I accidentally overdischarged one of them. The battery got hot, but not nearly as hot as an overdischarged li-ion. It was already starting to cool when I removed it, and cooled down from there pretty quickly. Quite dead, of course.
Vaping with LiFePO4 (primarily mechs)
Please join in and share your knowledge/experience/thoughts.