This is a complete solar power kit consisting of all the parts you need. It comprises 400W solar panels, two 20-feet cables, 30A charge controller, Z brackets for mounting, and MC4 connectors for connecting the panels. The power it produces is enough for a small home. You can’t run power demanding products like washing machine, etc. You also need to purchase inverter and batteries from a local store or on Amazon.com depending on the amount of power you want to store. This is the cheapest one I can find with good buyer ratings.
Complete Solar Panel Kit 400W Mono: 4 pc 100W Solar Panels UL Listed + 2 Pc 20′ Solar cables + PWM 30A Charge Controller + 4 Z-Brackets + MC4 Adapter Kit + 3 pc MC4 Branch Connectors