I bought the above deal from fasttech... I don't usually skimp on batts but these were advertised as authentic and the deal was promoted in several places. I am using one now in my Roller. I just want to be safe and have a good batt. Both supert and rtdvapor sell both the flat and button top version of the CGR18650CH and they look just like what I just received from fasttech.. I just don't see the word Panasonic anywhere on it though. I don't mind paying for good, safe batts but there's no sense in over paying when I don't have to. I'm hoping that these are safe to use in a mech?
I know there are button tops out there but they don't seem to be as prevalent, especially in the actual original wrap. I have button tops in the original wrap and also from Orbtronic in a black wrap, the quality on the orbtronic ones are better for the button tops, same cell just seem to have a better button. Doesn't matter, mechs generally don't care and the fast tech ones I linked to, the picture is actual CGR's. So if the picture matches the battery they should be fine in a mech.
Normal flat top CGR18650CH's don't say Panasonic on them. They are gray, say "CGR18650CH", have a warning, say "Made in Japan" below that warning and have what look to be QR codes visible under that the gray label.