Due to the outrageous cost of shipping, and the fact that Seplos wanted to sell the cables with the connector, I went the US route with these folks:
Our battery storage connectors are the perfect choice for those in need of high-quality and efficient connectors. Designed to deliver maximum reliability and performance, these connectors are built to last and feature a range of innovative features to make them easy to use.
www.metabee.com
I ordered the 8mm 200amp versions. I will let you know if they work once I get them.