DC cable requirements
If a battery connecting cable is part of the inverter scope of delivery, this battery connecting cable and a provided MC4 connector are to be used.
If a battery connecting cable is not part of the inverter scope of delivery or if a longer cable is needed, the provided MC4 connectors and a battery connecting cable with a cross-section of 6 mm² must be used.
The cables must be made of copper.
The DC cables must be rated for the maximum battery voltage and the maximum battery current.