2100
(2100)
45
I’m not saying that these chinese 7070s in my link are the same as what is used in the chinese lights, but they might give you an idea. There are 18W and 30W variants, 1.44usd and 3.46usd respectively.
https://item.taobao.com/item.htm?spm=a230r.1.14.99.1cc75e36F73VQT&id=562077003198&ns=1&abbucket=12#detail

Sillen’s
