This is one pair 35 AMP Cables 50cm long, one red one black, designed for transferring large amounts of DC current short distances. Amp rating based on 100% duty cycle for 5 minutes. Also rated at 45A at 60% duty cycle for 5 minutes.
They are crimped and SOLDERED and heatshrinked with 8.2mm diameter eye terminal connectors on one end for fitting up to M8 bolts. SOLDERED connections are essential for low loss high reliability cables that will serve you for years with out degradation, corrosion or wear.
The other end is bare wires for going into the screw down port on your solar charge controller
AWG 13 / 2.5mm2