I have seen mixed reviews for them but mostly good. I do not believe that they offer Matched & Batched cells (NOT at that price for sure). Their prices are Very Good (too good for A-Grade matched). NOTE THE TERMINALS !!! V3-A have dual hole terminals, Tip-1.
Average price for properly Matched & Batched EVE 280AH-K-V3 cells are around $95USD ea.
BEFORE stupid get's loose.
(This particular subject has had a lot of discussion far too much bafflegab around it... dead horse subject, not reopening it again.)
Simply Put:
Matching & Batching means taking all the cells and matching them up by IR but not just at the default storage voltage. These are tested through the entire working range with IR tested at the threshold points, then the reports are used to match the cells so that if they are at 3.000V or 3.400 under load or not have identical IR. This is where Real Factory Test Reports come in handy.
! Matching & Batching done afterward can be costly and is time consuming and most "Vendors" are neither equipped or interested in doing so, especially with Grey Market / Brokered Cells.