@NickTs
There are only a few companies in the world that have sufficient manufacturing clout to actually produce 168650
batteries, namely Sony Panasonic LG and Sanyo. These
batteries have known and trusted performance with published specifications.
Then there are companies like
Thrunite, Efest and many more who take the cast-offs from the these big players, place a nice new shiny wrap on them, write some highly exaggerated specs on the side and then sell them for a big mark up. They are the equivalent of a dodgy second hand car salesman.
The best advice I can give you is to
completely avoid re-wraps, and buy your Sony LG or Panasonic branded cells from reputable vendors. If you are unsure if which one suits your needs just ask, and read through the material I suggested and educate yourself.