Perhaps you've missed our previous references to the very lengthy discussion, testing etc on the ES forum. If so, take a look here:
Endless-sphere.com • View topic - Duct Tape E-Bay Lifepo4s??? . Be aware that there are 65 pages of posts on these batteries, from dozens of users, so it's a lengthy read. The thread charts to whole story from the first appearance of them on Ebay, through to today.
Jeremy