https://www.docanpower.com/panda-52v-628ah-32kwh-assembled-pack

Friend of mine sent me this. He is seriously considering purchasing and asking if I knew anything about it, which I do not. I told that I may know a group that may know or at least have heard of it. Price seems low considering how fast prices have been dropping lately. IDK, maybe it's just me and just naturally skeptical of dang near everything nowadays. Shipping quotes via FEDEX to the US are around $580. Any thoughts or input is greatly appreciate me from ya'll.