DC cable requirements
Aluminum or copper wires must be used.
The DC cables must be rated for the maximum battery voltage and the maximum battery current.
The conductor cross-section that can be connected and the outer diameter of the lines must meet the requirements of the respective connection.
The DC lines must be equipped with suitable terminal lugs made of tin-plated copper for the DC connection in the inverter. ( > Conductor Cross-Sections and Outer Diameters for DC Lines)
Also see: