I'm not sure if mine is the same as your 13b, from what I've seen you post here and on other sites.
The button on mine is not insulated from the body, it pushes the battery spring sideways to contact the bottom post. If it's not the same as yours was, I have seen pictures and videos of that mechanism here and elsewhere on line.
If everyone looks at this post:
http://www.e-cigarette-forum.com/fo...78-sigelei-mechnical-mods-50.html#post9383660
My mechanism is the same, the battery spring on a insulator, with a spring skirt handing around the bottom that the button presses into the bottom post. But on mine they have not insulated the switch, it's screwed (and also soldered I think), to the tube, only put an insulated disc on the end. If I removed that disc, the switch could contact a solid battery post and if it (the switch) could conduct the current through it's internal spring and there's no insulators inside the switch as well, then it might just work.
To fit it all I would need is a decent switch screwed in and a solid post, much like the EA clone on this review:
EHPRO Telescopic Mod from celticvapes.co.uk - YouTube
Is there any sigelei that uses that same switching arrangement like that in Todds video?
If not, I've heard a sigelei #8 works decent as well, what parts are needed to convert?
I already went out and got a kick and a 18490, (still have not used the mod at all yet though), and I requested HC maybe send some parts to fix because I'd rather that than use it as a paper weight.