Jim,
You've been at this longer than I have- If you click on the "How they work" icon at the top of the D'Light page and scroll, towards the mid to bottom a pic is showing removing, what they call the "dummy" (mouthpiece) and it shows a rather long looking atty w/ a very small exposed partial bridge- I am not familiar with that particular style... you may be able to give us a better assessment once seeing that- I know it is not a 401 after seeing that- UNLESS it is an atty that is able to be used w/ a 401 batt- the description doesn't give exacta- it just says a bit over 10cm... could be any of the mini's w/ that description- that atty could tell all...
The Volcano to my recollection was said to be the same as Blu- a L118b
I don't have either so can't say for sure and last I looked at the website it didn't give too many descriptive pics on individual parts... I am not too familiar w/ the DSE103 either-
You are right asfar as that 1st website showing atty's for sale, Jim- they don't appear to sell them- wonder why- do they expect that they will last??
Interesting find there- Quite pricey though, I think-