No problem. You is not first who is asking about them, and 10pcs is enough quantity to make small batch.
I understand that everyone wants solid plane.
SK98 is much less popular than SK68. Also they are not so cheap and closer to better 18650 zoomies in price
I enjoy them myself. Once they almost burned my jeans pockets internal (with trustfire 14500 cells). But they are not as good in heat spreading as sipik with solid pill.
Also I think that we can move pcb shelf a little to have such zoom out and zoom in beams as you want to.
I think there is no need on driver soldering in such projects. You can solder driver to copper pill using torch but it is not safety.
To other ways:
- Press fit. Driver place is 0.2mm smaller than driver OD, you need to file driver until it enters in its place by half around and then press it inside
- Pill rim press. In fact with 15-16mm driver place rim is thin and you can simply bend it inside to hold driver.
SK68 $2 chinise clone single led solid shelf copper pill interesting list:
- leroycp - 6pcs
- hank - 10-12pcs(?)
- pscal - 2pcs