I just got a DSE cigar, to compare with my RN cigars

They are the same size, same carts, same batteries, same cap.
The DSE has two colors of LED on the end, the RN has one.
RN is a nice hot cigar, puffs well and pretty much non-stop, I have 3 of these.
(although the atomizer is kick*ss on the RN, the switch is terrible, two broke in under 30 days... but the 3rd is still going)
I am trying a DSE now, and it's not good. It's a one puff wonder... take a couple puffs and it
completely runs out of gas. first puff AWESOME, just like an RN. Then wispy wispy wispy :-(
I am trying to determine if this particular DSE is defective, or if DSE cigars are just crap, lol - so anyone with a
--- DSE (two color LED cigar), if it smokes like a freight train PLEASE POST ---