Aw, SP10S sold out. It was well spoken of in a Reddit thread, as having better color rendering than the SF13.
https://www.reddit.com/r/flashlight/comments/dvms2s/anyone_ever_used_the_sofirn_sf13/
And a thread here suggests possibly making a BLF version: Sofirn SP10 Pro (AA/14500/Andúril 2) - now available!