Any experience with ac-rc.net?

I need warm 500+lm led with Vf~18V to work with 18v power tool without LVP.
Various cree leds like CXA, MHB, MT-G2 have 18v version but it seems hard to be found nowadays.
Should I try this vendor?
http://ac-rc.net/catalog/product_info.php?products_id=290