The real numbers we need to see are watts per volume, or watts per mass
You have to chase it down, following the link to electrek.co, but then it says: "the prototype cells house an energy density of 720 Wh/kg"
(of course, I'm just stating what is claimed, no idea how true)
You're right, I didn't see it! I just saw a bunch of chinese writings, which I cannot read, so didn't bother trying to read even the only thing I could 😅