Is this a standard power connector? (from Victron Energy 12V battery charger)
Those will likely be custom from Unobtanium Connector Corp.(But you can ask Auk to find if you agree to a $500 MOQ)
https://www.ebay.ca/itm/2-Pin-Molded-Connector-10-Gauge-PigTail-10AWG-Wire-Male-Female/123401604479
These are more common

Why don’t you just buy them from Vitron?