This has the same mAH and amp rating. It is a re wrapped VTC 4, and a few bucks cheaper.
Xtar High Drain 18650 2100mAh 30a (Sony VTC4 cell) - RTD vapor
I am buying a few of these this week for the new 510 REO coming out.
AW IMR 18650 2200 mAh
Nice to know, that's a great savings! Thanks Newport!